51019096892 has 18 divisors (see below), whose sum is σ = 93169263768. Its totient is φ = 24399401488.

The previous prime is 51019096871. The next prime is 51019096927. The reversal of 51019096892 is 29869091015.

It is a self number, because there is not a number n which added to its sum of digits gives 51019096892.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2154734 + ... + 2178282.

Almost surely, 2^51019096892 is an apocalyptic number.

It is an amenable number.

51019096892 is a deficient number, since it is larger than the sum of its proper divisors (42150166876).

51019096892 is an frugal number, since it uses more digits than its factorization.

51019096892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47125 (or 23574 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 50.

The spelling of 51019096892 in words is "fifty-one billion, nineteen million, ninety-six thousand, eight hundred ninety-two".