690003112564 has 24 divisors (see below), whose sum is σ = 1240245072360. Its totient is φ = 335648946816.

The previous prime is 690003112549. The next prime is 690003112621. The reversal of 690003112564 is 465211300096.

690003112564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 454758712164 + 235244400400 = 674358^2 + 485020^2 .

It is a super-2 number, since 2×690003112564² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1625814 + ... + 2005810.

It is an arithmetic number, because the mean of its divisors is an integer number (51676878015).

Almost surely, 2^690003112564 is an apocalyptic number.

It is an amenable number.

690003112564 is a deficient number, since it is larger than the sum of its proper divisors (550241959796).

690003112564 is a wasteful number, since it uses less digits than its factorization.

690003112564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392307 (or 392305 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 690003112564 in words is "six hundred ninety billion, three million, one hundred twelve thousand, five hundred sixty-four".