4778518069564 has 12 divisors (see below), whose sum is σ = 8428252344064. Its totient is φ = 2370445971264.

The previous prime is 4778518069537. The next prime is 4778518069601. The reversal of 4778518069564 is 4659608158774.

It is a super-2 number, since 2×4778518069564² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4778518069493 and 4778518069502.

It is a congruent number.

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, 4703265309 + ... + 4703266324.

Almost surely, 2^{4778518069564} is an apocalyptic number.

It is an amenable number.

4778518069564 is a deficient number, since it is larger than the sum of its proper divisors (3649734274500).

4778518069564 is a wasteful number, since it uses less digits than its factorization.

4778518069564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9406531764 (or 9406531762 counting only the distinct ones).

The product of its (nonzero) digits is 406425600, while the sum is 70.

The spelling of 4778518069564 in words is "four trillion, seven hundred seventy-eight billion, five hundred eighteen million, sixty-nine thousand, five hundred sixty-four".