51234349715 has 16 divisors (see below), whose sum is σ = 63133390848. Its totient is φ = 39892771296.

The previous prime is 51234349693. The next prime is 51234349721. The reversal of 51234349715 is 51794343215.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 51234349715 - 2⁶ = 51234349651 is a prime.

It is a Duffinian number.

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, 360179 + ... + 481868.

It is an arithmetic number, because the mean of its divisors is an integer number (3945836928).

Almost surely, 2^51234349715 is an apocalyptic number.

51234349715 is a deficient number, since it is larger than the sum of its proper divisors (11899041133).

51234349715 is a wasteful number, since it uses less digits than its factorization.

51234349715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842378.

The product of its digits is 453600, while the sum is 44.

The spelling of 51234349715 in words is "fifty-one billion, two hundred thirty-four million, three hundred forty-nine thousand, seven hundred fifteen".