700430064889 has 3 divisors (see below), whose sum is σ = 700430901807. Its totient is φ = 700429227972.

The previous prime is 700430064877. The next prime is 700430064937. The reversal of 700430064889 is 988460034007.

The square root of 700430064889 is 836917.

It is a perfect power (a square), and thus also a powerful number.

700430064889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 988460034007 = 12113 ⋅81603239.

It can be written as a sum of positive squares in only one way, i.e., 695347515625 + 5082549264 = 833875^2 + 71292^2 .

It is not a de Polignac number, because 700430064889 - 2⁹ = 700430064377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (700430064809) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 418459 + ... + 1255375.

It is an arithmetic number, because the mean of its divisors is an integer number (233476967269).

Almost surely, 2^700430064889 is an apocalyptic number.

700430064889 is the 836917-th square number.

700430064889 is the 418459-th centered octagonal number.

It is an amenable number.

700430064889 is a deficient number, since it is larger than the sum of its proper divisors (836918).

700430064889 is an frugal number, since it uses more digits than its factorization.

700430064889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673834 (or 836917 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

Multiplying 700430064889 by its sum of digits (49), we get a square (34321073179561 = 5858419²).

The spelling of 700430064889 in words is "seven hundred billion, four hundred thirty million, sixty-four thousand, eight hundred eighty-nine".