51359641954947 has 12 divisors (see below), whose sum is σ = 74189065141360. Its totient is φ = 34238415618288.

The previous prime is 51359641954931. The next prime is 51359641954961. The reversal of 51359641954947 is 74945914695315.

51359641954947 is a `hidden beast` number, since 5 + 1 + 3 + 5 + 9 + 6 + 41 + 95 + 494 + 7 = 666.

It is not a de Polignac number, because 51359641954947 - 2⁴ = 51359641954931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51359641954987) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111898672 + ... + 112356717.

Almost surely, 2^{51359641954947} is an apocalyptic number.

51359641954947 is a deficient number, since it is larger than the sum of its proper divisors (22829423186413).

51359641954947 is a wasteful number, since it uses less digits than its factorization.

51359641954947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224280842 (or 224280839 counting only the distinct ones).

The product of its digits is 734832000, while the sum is 72.

The spelling of 51359641954947 in words is "fifty-one trillion, three hundred fifty-nine billion, six hundred forty-one million, nine hundred fifty-four thousand, nine hundred forty-seven".