51434204393 has 16 divisors (see below), whose sum is σ = 60990947136. Its totient is φ = 42758178240.

The previous prime is 51434204389. The next prime is 51434204407. The reversal of 51434204393 is 39340243415.

It is a cyclic number.

It is not a de Polignac number, because 51434204393 - 2² = 51434204389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51434204303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1665446 + ... + 1696047.

It is an arithmetic number, because the mean of its divisors is an integer number (3811934196).

Almost surely, 2^51434204393 is an apocalyptic number.

It is an amenable number.

51434204393 is a deficient number, since it is larger than the sum of its proper divisors (9556742743).

51434204393 is a wasteful number, since it uses less digits than its factorization.

51434204393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3361624.

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 51434204393 in words is "fifty-one billion, four hundred thirty-four million, two hundred four thousand, three hundred ninety-three".