51324923863 has 8 divisors (see below), whose sum is σ = 51840321696. Its totient is φ = 50809668000.

The previous prime is 51324923827. The next prime is 51324923887. The reversal of 51324923863 is 36832942315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51324923863 - 2²⁹ = 50788052951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51324923063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785998 + ... + 848788.

It is an arithmetic number, because the mean of its divisors is an integer number (6480040212).

Almost surely, 2^51324923863 is an apocalyptic number.

51324923863 is a deficient number, since it is larger than the sum of its proper divisors (515397833).

51324923863 is a wasteful number, since it uses less digits than its factorization.

51324923863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70985.

The product of its digits is 933120, while the sum is 46.

The spelling of 51324923863 in words is "fifty-one billion, three hundred twenty-four million, nine hundred twenty-three thousand, eight hundred sixty-three".