6456419420431 has 2 divisors, whose sum is σ = 6456419420432. Its totient is φ = 6456419420430.

The previous prime is 6456419420371. The next prime is 6456419420467. The reversal of 6456419420431 is 1340249146546.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6456419420431 - 2²³ = 6456411031823 is a prime.

It is a super-2 number, since 2×6456419420431² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6456419420471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3228209710215 + 3228209710216.

It is an arithmetic number, because the mean of its divisors is an integer number (3228209710216).

Almost surely, 2^{6456419420431} is an apocalyptic number.

6456419420431 is a deficient number, since it is larger than the sum of its proper divisors (1).

6456419420431 is an equidigital number, since it uses as much as digits as its factorization.

6456419420431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 6456419420431 in words is "six trillion, four hundred fifty-six billion, four hundred nineteen million, four hundred twenty thousand, four hundred thirty-one".