690351269852 has 24 divisors (see below), whose sum is σ = 1229697200592. Its totient is φ = 339025593600.

The previous prime is 690351269837. The next prime is 690351269863. The reversal of 690351269852 is 258962153096.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1878653 + ... + 2215860.

It is an arithmetic number, because the mean of its divisors is an integer number (51237383358).

Almost surely, 2^690351269852 is an apocalyptic number.

It is an amenable number.

690351269852 is a deficient number, since it is larger than the sum of its proper divisors (539345930740).

690351269852 is a wasteful number, since it uses less digits than its factorization.

690351269852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4095269 (or 4095267 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 56.

The spelling of 690351269852 in words is "six hundred ninety billion, three hundred fifty-one million, two hundred sixty-nine thousand, eight hundred fifty-two".