701628689 has 4 divisors (see below), whose sum is σ = 703058160. Its totient is φ = 700199220.

The previous prime is 701628671. The next prime is 701628701. The reversal of 701628689 is 986826107.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 701628689 - 2¹⁶ = 701563153 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (701628989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713999 + ... + 714980.

It is an arithmetic number, because the mean of its divisors is an integer number (175764540).

Almost surely, 2^701628689 is an apocalyptic number.

It is an amenable number.

701628689 is a deficient number, since it is larger than the sum of its proper divisors (1429471).

701628689 is a wasteful number, since it uses less digits than its factorization.

701628689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429470.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 701628689 is about 26488.2745568676. The cubic root of 701628689 is about 888.5920966792.

The spelling of 701628689 in words is "seven hundred one million, six hundred twenty-eight thousand, six hundred eighty-nine".