51651908795462 has 16 divisors (see below), whose sum is σ = 78048014890752. Its totient is φ = 25636154065800.

The previous prime is 51651908795447. The next prime is 51651908795467. The reversal of 51651908795462 is 26459780915615.

It is a junction number, because it is equal to n+sod(n) for n = 51651908795392 and 51651908795401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51651908795467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62144888 + ... + 62970555.

It is an arithmetic number, because the mean of its divisors is an integer number (4878000930672).

Almost surely, 2^{51651908795462} is an apocalyptic number.

51651908795462 is a deficient number, since it is larger than the sum of its proper divisors (26396106095290).

51651908795462 is a wasteful number, since it uses less digits than its factorization.

51651908795462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125116963.

The product of its (nonzero) digits is 163296000, while the sum is 68.

The spelling of 51651908795462 in words is "fifty-one trillion, six hundred fifty-one billion, nine hundred eight million, seven hundred ninety-five thousand, four hundred sixty-two".