6938040464 has 20 divisors (see below), whose sum is σ = 13444876080. Its totient is φ = 3468395040.

The previous prime is 6938040449. The next prime is 6938040511. The reversal of 6938040464 is 4640408396.

It is a super-3 number, since 3×6938040464³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60107 + ... + 132245.

It is an arithmetic number, because the mean of its divisors is an integer number (672243804).

Almost surely, 2^6938040464 is an apocalyptic number.

It is an amenable number.

6938040464 is a deficient number, since it is larger than the sum of its proper divisors (6506835616).

6938040464 is a wasteful number, since it uses less digits than its factorization.

6938040464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78158 (or 78152 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 44.

The square root of 6938040464 is about 83294.9005882113. The cubic root of 6938040464 is about 1907.2704323479.

The spelling of 6938040464 in words is "six billion, nine hundred thirty-eight million, forty thousand, four hundred sixty-four".