4779917856513 has 24 divisors (see below), whose sum is σ = 7287195938880. Its totient is φ = 3010801894560.

The previous prime is 4779917856509. The next prime is 4779917856529. The reversal of 4779917856513 is 3156587199774.

4779917856513 is a `hidden beast` number, since 4 + 7 + 7 + 99 + 17 + 8 + 5 + 6 + 513 = 666.

It is not a de Polignac number, because 4779917856513 - 2² = 4779917856509 is a prime.

It is a super-2 number, since 2×4779917856513² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4779917856533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37406373 + ... + 37533938.

It is an arithmetic number, because the mean of its divisors is an integer number (303633164120).

Almost surely, 2^{4779917856513} is an apocalyptic number.

It is an amenable number.

4779917856513 is a deficient number, since it is larger than the sum of its proper divisors (2507278082367).

4779917856513 is a wasteful number, since it uses less digits than its factorization.

4779917856513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74940709 (or 74940706 counting only the distinct ones).

The product of its digits is 400075200, while the sum is 72.

The spelling of 4779917856513 in words is "four trillion, seven hundred seventy-nine billion, nine hundred seventeen million, eight hundred fifty-six thousand, five hundred thirteen".