694980836164 has 12 divisors (see below), whose sum is σ = 1218713831104. Its totient is φ = 346776884424.

The previous prime is 694980836153. The next prime is 694980836183. The reversal of 694980836164 is 461638089496.

It is a happy number.

It is a super-2 number, since 2×694980836164² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 694980836096 and 694980836105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178381224 + ... + 178385119.

Almost surely, 2^694980836164 is an apocalyptic number.

It is an amenable number.

694980836164 is a deficient number, since it is larger than the sum of its proper divisors (523732994940).

694980836164 is a wasteful number, since it uses less digits than its factorization.

694980836164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356766834 (or 356766832 counting only the distinct ones).

The product of its (nonzero) digits is 53747712, while the sum is 64.

The spelling of 694980836164 in words is "six hundred ninety-four billion, nine hundred eighty million, eight hundred thirty-six thousand, one hundred sixty-four".