56436374419 has 2 divisors, whose sum is σ = 56436374420. Its totient is φ = 56436374418.

The previous prime is 56436374413. The next prime is 56436374441. The reversal of 56436374419 is 91447363465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56436374419 - 2³ = 56436374411 is a prime.

It is a super-2 number, since 2×56436374419² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56436374411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28218187209 + 28218187210.

It is an arithmetic number, because the mean of its divisors is an integer number (28218187210).

Almost surely, 2^56436374419 is an apocalyptic number.

56436374419 is a deficient number, since it is larger than the sum of its proper divisors (1).

56436374419 is an equidigital number, since it uses as much as digits as its factorization.

56436374419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 52.

The spelling of 56436374419 in words is "fifty-six billion, four hundred thirty-six million, three hundred seventy-four thousand, four hundred nineteen".