51630908471 has 8 divisors (see below), whose sum is σ = 54670009104. Its totient is φ = 48592028800.

The previous prime is 51630908467. The next prime is 51630908521. The reversal of 51630908471 is 17480903615.

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

It is a cyclic number.

It is not a de Polignac number, because 51630908471 - 2² = 51630908467 is a prime.

It is a super-3 number, since 3×51630908471³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51630908401) 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, 847121 + ... + 906021.

It is an arithmetic number, because the mean of its divisors is an integer number (6833751138).

Almost surely, 2^51630908471 is an apocalyptic number.

51630908471 is a deficient number, since it is larger than the sum of its proper divisors (3039100633).

51630908471 is a wasteful number, since it uses less digits than its factorization.

51630908471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110481.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 51630908471 in words is "fifty-one billion, six hundred thirty million, nine hundred eight thousand, four hundred seventy-one".