51462146969 has 16 divisors (see below), whose sum is σ = 55851427200. Its totient is φ = 47251206144.

The previous prime is 51462146929. The next prime is 51462147067. The reversal of 51462146969 is 96964126415.

It is a cyclic number.

It is not a de Polignac number, because 51462146969 - 2⁸ = 51462146713 is a prime.

It is a super-2 number, since 2×51462146969² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51462146969.

It is not an unprimeable number, because it can be changed into a prime (51462146929) 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, 38252 + ... + 323090.

It is an arithmetic number, because the mean of its divisors is an integer number (3490714200).

Almost surely, 2^51462146969 is an apocalyptic number.

It is an amenable number.

51462146969 is a deficient number, since it is larger than the sum of its proper divisors (4389280231).

51462146969 is a wasteful number, since it uses less digits than its factorization.

51462146969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285152.

The product of its digits is 2799360, while the sum is 53.

The spelling of 51462146969 in words is "fifty-one billion, four hundred sixty-two million, one hundred forty-six thousand, nine hundred sixty-nine".