6453814662728 has 32 divisors (see below), whose sum is σ = 12348456282360. Its totient is φ = 3161082961920.

The previous prime is 6453814662709. The next prime is 6453814662733. The reversal of 6453814662728 is 8272664183546.

It can be written as a sum of positive squares in 4 ways, for example, as 6260494401604 + 193320261124 = 2502098^2 + 439682^2 .

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, 11601275 + ... + 12144842.

Almost surely, 2^{6453814662728} is an apocalyptic number.

It is an amenable number.

6453814662728 is a deficient number, since it is larger than the sum of its proper divisors (5894641619632).

6453814662728 is a wasteful number, since it uses less digits than its factorization.

6453814662728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23746817 (or 23746813 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 62.

The spelling of 6453814662728 in words is "six trillion, four hundred fifty-three billion, eight hundred fourteen million, six hundred sixty-two thousand, seven hundred twenty-eight".