51294934042 has 16 divisors (see below), whose sum is σ = 84577911264. Its totient is φ = 23137894000.

The previous prime is 51294934001. The next prime is 51294934111. The reversal of 51294934042 is 24043949215.

51294934042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51294934042.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8896309 + ... + 8902072.

It is an arithmetic number, because the mean of its divisors is an integer number (5286119454).

Almost surely, 2^51294934042 is an apocalyptic number.

51294934042 is a deficient number, since it is larger than the sum of its proper divisors (33282977222).

51294934042 is a wasteful number, since it uses less digits than its factorization.

51294934042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17798525.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 51294934042 in words is "fifty-one billion, two hundred ninety-four million, nine hundred thirty-four thousand, forty-two".