6451683935871 has 32 divisors (see below), whose sum is σ = 8969579790336. Its totient is φ = 4120280640000.

The previous prime is 6451683935843. The next prime is 6451683935897. The reversal of 6451683935871 is 1785393861546.

It is not a de Polignac number, because 6451683935871 - 2⁵ = 6451683935839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6451683935821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45174786 + ... + 45317376.

It is an arithmetic number, because the mean of its divisors is an integer number (280299368448).

Almost surely, 2^{6451683935871} is an apocalyptic number.

6451683935871 is a deficient number, since it is larger than the sum of its proper divisors (2517895854465).

6451683935871 is a wasteful number, since it uses less digits than its factorization.

6451683935871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147543.

The product of its digits is 130636800, while the sum is 66.

The spelling of 6451683935871 in words is "six trillion, four hundred fifty-one billion, six hundred eighty-three million, nine hundred thirty-five thousand, eight hundred seventy-one".