51914137863 has 8 divisors (see below), whose sum is σ = 79107257728. Its totient is φ = 29665221624.

The previous prime is 51914137777. The next prime is 51914137883. The reversal of 51914137863 is 36873141915.

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

It is not a de Polignac number, because 51914137863 - 2³⁰ = 50840396039 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 (51914137883) 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, 1236050881 + ... + 1236050922.

It is an arithmetic number, because the mean of its divisors is an integer number (9888407216).

Almost surely, 2^51914137863 is an apocalyptic number.

51914137863 is a deficient number, since it is larger than the sum of its proper divisors (27193119865).

51914137863 is a wasteful number, since it uses less digits than its factorization.

51914137863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472101813.

The product of its digits is 544320, while the sum is 48.

The spelling of 51914137863 in words is "fifty-one billion, nine hundred fourteen million, one hundred thirty-seven thousand, eight hundred sixty-three".