690173783480 has 32 divisors (see below), whose sum is σ = 1565118512640. Its totient is φ = 273895735680.

The previous prime is 690173783479. The next prime is 690173783503. The reversal of 690173783480 is 84387371096.

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, 67925411 + ... + 67935570.

It is an arithmetic number, because the mean of its divisors is an integer number (48909953520).

Almost surely, 2^690173783480 is an apocalyptic number.

It is an amenable number.

690173783480 is an abundant number, since it is smaller than the sum of its proper divisors (874944729160).

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

690173783480 is a wasteful number, since it uses less digits than its factorization.

690173783480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135861119 (or 135861115 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 56.

The spelling of 690173783480 in words is "six hundred ninety billion, one hundred seventy-three million, seven hundred eighty-three thousand, four hundred eighty".