694080691872 has 48 divisors (see below), whose sum is σ = 1830596759712. Its totient is φ = 230263729920.

The previous prime is 694080691853. The next prime is 694080691919. The reversal of 694080691872 is 278196080496.

694080691872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

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, 17112463 + ... + 17152974.

It is an arithmetic number, because the mean of its divisors is an integer number (38137432494).

Almost surely, 2^694080691872 is an apocalyptic number.

It is an amenable number.

694080691872 is an abundant number, since it is smaller than the sum of its proper divisors (1136516067840).

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

694080691872 is a wasteful number, since it uses less digits than its factorization.

694080691872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34265661 (or 34265653 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 60.

The spelling of 694080691872 in words is "six hundred ninety-four billion, eighty million, six hundred ninety-one thousand, eight hundred seventy-two".