51709360328 has 16 divisors (see below), whose sum is σ = 96976554480. Its totient is φ = 25848945808.

The previous prime is 51709360277. The next prime is 51709360349. The reversal of 51709360328 is 82306390715.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678350 + ... + 750717.

It is an arithmetic number, because the mean of its divisors is an integer number (6061034655).

Almost surely, 2^51709360328 is an apocalyptic number.

It is an amenable number.

51709360328 is a deficient number, since it is larger than the sum of its proper divisors (45267194152).

51709360328 is a wasteful number, since it uses less digits than its factorization.

51709360328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433596 (or 1433592 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 51709360328 in words is "fifty-one billion, seven hundred nine million, three hundred sixty thousand, three hundred twenty-eight".