405514455431 has 2 divisors, whose sum is σ = 405514455432. Its totient is φ = 405514455430.

The previous prime is 405514455419. The next prime is 405514455461. The reversal of 405514455431 is 134554415504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 405514455431 - 2³⁸ = 130636548487 is a prime.

It is a super-2 number, since 2×405514455431² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405514455461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202757227715 + 202757227716.

It is an arithmetic number, because the mean of its divisors is an integer number (202757227716).

Almost surely, 2^405514455431 is an apocalyptic number.

405514455431 is a deficient number, since it is larger than the sum of its proper divisors (1).

405514455431 is an equidigital number, since it uses as much as digits as its factorization.

405514455431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 405514455431 in words is "four hundred five billion, five hundred fourteen million, four hundred fifty-five thousand, four hundred thirty-one".