51069560973 has 8 divisors (see below), whose sum is σ = 68105335200. Its totient is φ = 34040080368.

The previous prime is 51069560959. The next prime is 51069561013. The reversal of 51069560973 is 37906596015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51069560973 - 2⁹ = 51069560461 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51069560903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1554438 + ... + 1586951.

It is an arithmetic number, because the mean of its divisors is an integer number (8513166900).

Almost surely, 2^51069560973 is an apocalyptic number.

It is an amenable number.

51069560973 is a deficient number, since it is larger than the sum of its proper divisors (17035774227).

51069560973 is a wasteful number, since it uses less digits than its factorization.

51069560973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3146811.

The product of its (nonzero) digits is 1530900, while the sum is 51.

The spelling of 51069560973 in words is "fifty-one billion, sixty-nine million, five hundred sixty thousand, nine hundred seventy-three".