51901342842936 has 32 divisors (see below), whose sum is σ = 129803668761600. Its totient is φ = 17293739393760.

The previous prime is 51901342842929. The next prime is 51901342842949. The reversal of 51901342842936 is 63924824310915.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419200600 + ... + 419324391.

It is an arithmetic number, because the mean of its divisors is an integer number (4056364648800).

Almost surely, 2^{51901342842936} is an apocalyptic number.

It is an amenable number.

51901342842936 is an abundant number, since it is smaller than the sum of its proper divisors (77902325918664).

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

51901342842936 is a wasteful number, since it uses less digits than its factorization.

51901342842936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838527579 (or 838527575 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 57.

The spelling of 51901342842936 in words is "fifty-one trillion, nine hundred one billion, three hundred forty-two million, eight hundred forty-two thousand, nine hundred thirty-six".