7964715046438 has 16 divisors (see below), whose sum is σ = 11968955843904. Its totient is φ = 3975069617640.

The previous prime is 7964715046429. The next prime is 7964715046529. The reversal of 7964715046438 is 8346405174697.

It is a self number, because there is not a number n which added to its sum of digits gives 7964715046438.

It is a congruent number.

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, 816481 + ... + 4073827.

It is an arithmetic number, because the mean of its divisors is an integer number (748059740244).

Almost surely, 2^{7964715046438} is an apocalyptic number.

7964715046438 is a deficient number, since it is larger than the sum of its proper divisors (4004240797466).

7964715046438 is a wasteful number, since it uses less digits than its factorization.

7964715046438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3259587.

The product of its (nonzero) digits is 121927680, while the sum is 64.

The spelling of 7964715046438 in words is "seven trillion, nine hundred sixty-four billion, seven hundred fifteen million, forty-six thousand, four hundred thirty-eight".