690609584252 has 36 divisors (see below), whose sum is σ = 1406129210640. Its totient is φ = 295923870144.

The previous prime is 690609584251. The next prime is 690609584381. The reversal of 690609584252 is 252485906096.

690609584252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690609584251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 828824 + ... + 1438112.

It is an arithmetic number, because the mean of its divisors is an integer number (39059144740).

Almost surely, 2^690609584252 is an apocalyptic number.

It is an amenable number.

690609584252 is an abundant number, since it is smaller than the sum of its proper divisors (715519626388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

690609584252 is a wasteful number, since it uses less digits than its factorization.

690609584252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615090 (or 615081 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 56.

The spelling of 690609584252 in words is "six hundred ninety billion, six hundred nine million, five hundred eighty-four thousand, two hundred fifty-two".