51414463656857 has 16 divisors (see below), whose sum is σ = 59379950270592. Its totient is φ = 43604344327680.

The previous prime is 51414463656827. The next prime is 51414463656911. The reversal of 51414463656857 is 75865636441415.

It is a cyclic number.

It is not a de Polignac number, because 51414463656857 - 2²⁸ = 51414195221401 is a prime.

It is a super-3 number, since 3×51414463656857³ (a number of 42 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51414463656793 and 51414463656802.

It is not an unprimeable number, because it can be changed into a prime (51414463656817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6709619 + ... + 12159272.

It is an arithmetic number, because the mean of its divisors is an integer number (3711246891912).

Almost surely, 2^{51414463656857} is an apocalyptic number.

It is an amenable number.

51414463656857 is a deficient number, since it is larger than the sum of its proper divisors (7965486613735).

51414463656857 is a wasteful number, since it uses less digits than its factorization.

51414463656857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18873008.

The product of its digits is 290304000, while the sum is 65.

The spelling of 51414463656857 in words is "fifty-one trillion, four hundred fourteen billion, four hundred sixty-three million, six hundred fifty-six thousand, eight hundred fifty-seven".