51631460770 has 8 divisors (see below), whose sum is σ = 92936629404. Its totient is φ = 20652584304.

The previous prime is 51631460753. The next prime is 51631460773. The reversal of 51631460770 is 7706413615.

It can be written as a sum of positive squares in 2 ways, for example, as 41639259249 + 9992201521 = 204057^2 + 99961^2 .

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

It is not an unprimeable number, because it can be changed into a prime (51631460773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2581573029 + ... + 2581573048.

Almost surely, 2^51631460770 is an apocalyptic number.

51631460770 is a deficient number, since it is larger than the sum of its proper divisors (41305168634).

51631460770 is a wasteful number, since it uses less digits than its factorization.

51631460770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5163146084.

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 51631460770 in words is "fifty-one billion, six hundred thirty-one million, four hundred sixty thousand, seven hundred seventy".