56406425419 has 2 divisors, whose sum is σ = 56406425420. Its totient is φ = 56406425418.

The previous prime is 56406425399. The next prime is 56406425447. The reversal of 56406425419 is 91452460465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56406425419 - 2¹¹ = 56406423371 is a prime.

It is a super-3 number, since 3×56406425419³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (56406422419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28203212709 + 28203212710.

It is an arithmetic number, because the mean of its divisors is an integer number (28203212710).

Almost surely, 2^56406425419 is an apocalyptic number.

56406425419 is a deficient number, since it is larger than the sum of its proper divisors (1).

56406425419 is an equidigital number, since it uses as much as digits as its factorization.

56406425419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 56406425419 in words is "fifty-six billion, four hundred six million, four hundred twenty-five thousand, four hundred nineteen".