690675498432 has 224 divisors, whose sum is σ = 2152828247040. Its totient is φ = 216387072000.

The previous prime is 690675498421. The next prime is 690675498439. The reversal of 690675498432 is 234894576096.

690675498432 is a `hidden beast` number, since 6 + 9 + 0 + 6 + 7 + 549 + 84 + 3 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 690675498432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690675498439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22045723 + ... + 22077029.

Almost surely, 2^690675498432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 690675498432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1076414123520).

690675498432 is an abundant number, since it is smaller than the sum of its proper divisors (1462152748608).

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

690675498432 is a wasteful number, since it uses less digits than its factorization.

690675498432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32096 (or 32080 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 63.

The spelling of 690675498432 in words is "six hundred ninety billion, six hundred seventy-five million, four hundred ninety-eight thousand, four hundred thirty-two".