51612452719 has 2 divisors, whose sum is σ = 51612452720. Its totient is φ = 51612452718.

The previous prime is 51612452713. The next prime is 51612452743. The reversal of 51612452719 is 91725421615.

51612452719 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51612452719 - 2⁵ = 51612452687 is a prime.

It is a super-2 number, since 2×51612452719² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51612452713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25806226359 + 25806226360.

It is an arithmetic number, because the mean of its divisors is an integer number (25806226360).

Almost surely, 2^51612452719 is an apocalyptic number.

51612452719 is a deficient number, since it is larger than the sum of its proper divisors (1).

51612452719 is an equidigital number, since it uses as much as digits as its factorization.

51612452719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 43.

The spelling of 51612452719 in words is "fifty-one billion, six hundred twelve million, four hundred fifty-two thousand, seven hundred nineteen".