690374801408 has 24 divisors (see below), whose sum is σ = 1380412509840. Its totient is φ = 345187399680.

The previous prime is 690374801407. The next prime is 690374801411. The reversal of 690374801408 is 804108473096.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690374801401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168546488 + ... + 168550583.

It is an arithmetic number, because the mean of its divisors is an integer number (57517187910).

Almost surely, 2^690374801408 is an apocalyptic number.

It is an amenable number.

690374801408 is a deficient number, since it is larger than the sum of its proper divisors (690037708432).

690374801408 is an equidigital number, since it uses as much as digits as its factorization.

690374801408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337097093 (or 337097073 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 690374801408 in words is "six hundred ninety billion, three hundred seventy-four million, eight hundred one thousand, four hundred eight".