51681043410 has 32 divisors (see below), whose sum is σ = 124040996352. Its totient is φ = 13780890240.

The previous prime is 51681043397. The next prime is 51681043439. The reversal of 51681043410 is 1434018615.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 793087 + ... + 855773.

It is an arithmetic number, because the mean of its divisors is an integer number (3876281136).

Almost surely, 2^51681043410 is an apocalyptic number.

51681043410 is an abundant number, since it is smaller than the sum of its proper divisors (72359952942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51681043410 is a wasteful number, since it uses less digits than its factorization.

51681043410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90178.

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 51681043410 in words is "fifty-one billion, six hundred eighty-one million, forty-three thousand, four hundred ten".