51230403480817 has 4 divisors (see below), whose sum is σ = 55887712888176. Its totient is φ = 46573094073460.

The previous prime is 51230403480749. The next prime is 51230403480857. The reversal of 51230403480817 is 71808430403215.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51230403480817 - 2³⁵ = 51196043742449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51230403480857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2328654703663 + ... + 2328654703684.

It is an arithmetic number, because the mean of its divisors is an integer number (13971928222044).

Almost surely, 2^{51230403480817} is an apocalyptic number.

It is an amenable number.

51230403480817 is a deficient number, since it is larger than the sum of its proper divisors (4657309407359).

51230403480817 is a wasteful number, since it uses less digits than its factorization.

51230403480817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4657309407358.

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 51230403480817 in words is "fifty-one trillion, two hundred thirty billion, four hundred three million, four hundred eighty thousand, eight hundred seventeen".