51312703267 has 16 divisors (see below), whose sum is σ = 62340768000. Its totient is φ = 41254898400.

The previous prime is 51312703261. The next prime is 51312703279. The reversal of 51312703267 is 76230721315.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51312703267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51312703261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1896517 + ... + 1923382.

It is an arithmetic number, because the mean of its divisors is an integer number (3896298000).

Almost surely, 2^51312703267 is an apocalyptic number.

51312703267 is a deficient number, since it is larger than the sum of its proper divisors (11028064733).

51312703267 is a wasteful number, since it uses less digits than its factorization.

51312703267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3820026.

The product of its (nonzero) digits is 52920, while the sum is 37.

The spelling of 51312703267 in words is "fifty-one billion, three hundred twelve million, seven hundred three thousand, two hundred sixty-seven".