51373584989 has 16 divisors (see below), whose sum is σ = 53430067200. Its totient is φ = 49342608000.

The previous prime is 51373584931. The next prime is 51373584991. The reversal of 51373584989 is 98948537315.

It is a cyclic number.

It is not a de Polignac number, because 51373584989 - 2⁸ = 51373584733 is a prime.

It is a super-2 number, since 2×51373584989² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51373584089) 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, 6790769 + ... + 6798329.

It is an arithmetic number, because the mean of its divisors is an integer number (3339379200).

Almost surely, 2^51373584989 is an apocalyptic number.

It is an amenable number.

51373584989 is a deficient number, since it is larger than the sum of its proper divisors (2056482211).

51373584989 is a wasteful number, since it uses less digits than its factorization.

51373584989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9212.

The product of its digits is 32659200, while the sum is 62.

The spelling of 51373584989 in words is "fifty-one billion, three hundred seventy-three million, five hundred eighty-four thousand, nine hundred eighty-nine".