51006419793 has 32 divisors (see below), whose sum is σ = 86378270720. Its totient is φ = 29140385040.

The previous prime is 51006419759. The next prime is 51006419801. The reversal of 51006419793 is 39791460015.

51006419793 is a `hidden beast` number, since 510 + 0 + 6 + 41 + 9 + 7 + 93 = 666.

It is not a de Polignac number, because 51006419793 - 2⁹ = 51006419281 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51006419713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 962088 + ... + 1013718.

It is an arithmetic number, because the mean of its divisors is an integer number (2699320960).

Almost surely, 2^51006419793 is an apocalyptic number.

It is an amenable number.

51006419793 is a deficient number, since it is larger than the sum of its proper divisors (35371850927).

51006419793 is a wasteful number, since it uses less digits than its factorization.

51006419793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56874 (or 56868 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The spelling of 51006419793 in words is "fifty-one billion, six million, four hundred nineteen thousand, seven hundred ninety-three".