6407944968914 has 4 divisors (see below), whose sum is σ = 9611917453374. Its totient is φ = 3203972484456.

The previous prime is 6407944968889. The next prime is 6407944968941. The reversal of 6407944968914 is 4198694497046.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6380095033225 + 27849935689 = 2525885^2 + 166883^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1601986242227 + ... + 1601986242230.

Almost surely, 2^{6407944968914} is an apocalyptic number.

6407944968914 is a deficient number, since it is larger than the sum of its proper divisors (3203972484460).

6407944968914 is a wasteful number, since it uses less digits than its factorization.

6407944968914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3203972484459.

The product of its (nonzero) digits is 376233984, while the sum is 71.

The spelling of 6407944968914 in words is "six trillion, four hundred seven billion, nine hundred forty-four million, nine hundred sixty-eight thousand, nine hundred fourteen".