51316745462 has 16 divisors (see below), whose sum is σ = 81514298160. Its totient is φ = 24145728768.

The previous prime is 51316745449. The next prime is 51316745477. The reversal of 51316745462 is 26454761315.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155753 + ... + 356219.

It is an arithmetic number, because the mean of its divisors is an integer number (5094643635).

Almost surely, 2^51316745462 is an apocalyptic number.

51316745462 is a deficient number, since it is larger than the sum of its proper divisors (30197552698).

51316745462 is a wasteful number, since it uses less digits than its factorization.

51316745462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208015.

The product of its digits is 604800, while the sum is 44.

The spelling of 51316745462 in words is "fifty-one billion, three hundred sixteen million, seven hundred forty-five thousand, four hundred sixty-two".