698980326901632 has 576 divisors, whose sum is σ = 2118761966178000. Its totient is φ = 229657702809600.

The previous prime is 698980326901627. The next prime is 698980326901657. The reversal of 698980326901632 is 236109623089896.

698980326901632 is a `hidden beast` number, since 6 + 9 + 89 + 80 + 326 + 90 + 1 + 63 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 16392191032 + ... + 16392233672.

Almost surely, 2^{698980326901632} 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 698980326901632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1059380983089000).

698980326901632 is an abundant number, since it is smaller than the sum of its proper divisors (1419781639276368).

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

698980326901632 is an equidigital number, since it uses as much as digits as its factorization.

698980326901632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42959 (or 42926 counting only the distinct ones).

The product of its (nonzero) digits is 362797056, while the sum is 72.

The spelling of 698980326901632 in words is "six hundred ninety-eight trillion, nine hundred eighty billion, three hundred twenty-six million, nine hundred one thousand, six hundred thirty-two".