696481970688 has 400 divisors, whose sum is σ = 2379723223680. Its totient is φ = 198665478144.

The previous prime is 696481970687. The next prime is 696481970731. The reversal of 696481970688 is 886079184696.

696481970688 is a `hidden beast` number, since 69 + 6 + 481 + 9 + 7 + 0 + 6 + 88 = 666.

It is a super-3 number, since 3×696481970688³ (a number of 37 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (696481970687) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 215694258 + ... + 215697486.

Almost surely, 2^696481970688 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 696481970688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1189861611840).

696481970688 is an abundant number, since it is smaller than the sum of its proper divisors (1683241252992).

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

696481970688 is an equidigital number, since it uses as much as digits as its factorization.

696481970688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4009 (or 3984 counting only the distinct ones).

The product of its (nonzero) digits is 250822656, while the sum is 72.

The spelling of 696481970688 in words is "six hundred ninety-six billion, four hundred eighty-one million, nine hundred seventy thousand, six hundred eighty-eight".