51320071419 has 64 divisors (see below), whose sum is σ = 75603483648. Its totient is φ = 30868992000.

The previous prime is 51320071399. The next prime is 51320071441. The reversal of 51320071419 is 91417002315.

It is not a de Polignac number, because 51320071419 - 2¹³ = 51320063227 is a prime.

It is a super-2 number, since 2×51320071419² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51320071419.

It is not an unprimeable number, because it can be changed into a prime (51320071459) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12284259 + ... + 12288435.

It is an arithmetic number, because the mean of its divisors is an integer number (1181304432).

Almost surely, 2^51320071419 is an apocalyptic number.

51320071419 is a deficient number, since it is larger than the sum of its proper divisors (24283412229).

51320071419 is a wasteful number, since it uses less digits than its factorization.

51320071419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4388.

The product of its (nonzero) digits is 7560, while the sum is 33.

The spelling of 51320071419 in words is "fifty-one billion, three hundred twenty million, seventy-one thousand, four hundred nineteen".