51513676467 has 16 divisors (see below), whose sum is σ = 74933033472. Its totient is φ = 31218722720.

The previous prime is 51513676397. The next prime is 51513676549. The reversal of 51513676467 is 76467631515.

It is a cyclic number.

It is not a de Polignac number, because 51513676467 - 2⁸ = 51513676211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51513676367) 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, 875953 + ... + 932909.

It is an arithmetic number, because the mean of its divisors is an integer number (4683314592).

Almost surely, 2^51513676467 is an apocalyptic number.

51513676467 is a deficient number, since it is larger than the sum of its proper divisors (23419357005).

51513676467 is a wasteful number, since it uses less digits than its factorization.

51513676467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84378.

The product of its digits is 3175200, while the sum is 51.

The spelling of 51513676467 in words is "fifty-one billion, five hundred thirteen million, six hundred seventy-six thousand, four hundred sixty-seven".