51363337017969 has 24 divisors (see below), whose sum is σ = 74563629739560. Its totient is φ = 34070795764992.

The previous prime is 51363337017911. The next prime is 51363337017991. The reversal of 51363337017969 is 96971073336315.

51363337017969 is a `hidden beast` number, since 5 + 1 + 3 + 6 + 33 + 370 + 179 + 69 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 159824048400 + 51203512969569 = 399780^2 + 7155663^2 .

It is not a de Polignac number, because 51363337017969 - 2⁹ = 51363337017457 is a prime.

It is a super-2 number, since 2×51363337017969² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51363437017969) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11851564 + ... + 15594429.

It is an arithmetic number, because the mean of its divisors is an integer number (3106817905815).

Almost surely, 2^{51363337017969} is an apocalyptic number.

It is an amenable number.

51363337017969 is a deficient number, since it is larger than the sum of its proper divisors (23200292721591).

51363337017969 is a wasteful number, since it uses less digits than its factorization.

51363337017969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27447041 (or 27447038 counting only the distinct ones).

The product of its (nonzero) digits is 57868020, while the sum is 63.

The spelling of 51363337017969 in words is "fifty-one trillion, three hundred sixty-three billion, three hundred thirty-seven million, seventeen thousand, nine hundred sixty-nine".