56346812719 has 2 divisors, whose sum is σ = 56346812720. Its totient is φ = 56346812718.

The previous prime is 56346812653. The next prime is 56346812723. The reversal of 56346812719 is 91721864365.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56346812719 is a prime.

It is a super-2 number, since 2×56346812719² (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 (56346812419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28173406359 + 28173406360.

It is an arithmetic number, because the mean of its divisors is an integer number (28173406360).

Almost surely, 2^56346812719 is an apocalyptic number.

56346812719 is a deficient number, since it is larger than the sum of its proper divisors (1).

56346812719 is an equidigital number, since it uses as much as digits as its factorization.

56346812719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 52.

The spelling of 56346812719 in words is "fifty-six billion, three hundred forty-six million, eight hundred twelve thousand, seven hundred nineteen".