412646552721 has 48 divisors (see below), whose sum is σ = 664056089424. Its totient is φ = 245269389312.

The previous prime is 412646552707. The next prime is 412646552729. The reversal of 412646552721 is 127255646214.

412646552721 is a `hidden beast` number, since 4 + 1 + 2 + 64 + 65 + 527 + 2 + 1 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 17992466496 + 394654086225 = 134136^2 + 628215^2 .

It is not a de Polignac number, because 412646552721 - 2³³ = 404056618129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (412646552729) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 245185 + ... + 940961.

It is an arithmetic number, because the mean of its divisors is an integer number (13834501863).

Almost surely, 2^412646552721 is an apocalyptic number.

It is an amenable number.

412646552721 is a deficient number, since it is larger than the sum of its proper divisors (251409536703).

412646552721 is a wasteful number, since it uses less digits than its factorization.

412646552721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695970 (or 695967 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The spelling of 412646552721 in words is "four hundred twelve billion, six hundred forty-six million, five hundred fifty-two thousand, seven hundred twenty-one".