405423324479 has 2 divisors, whose sum is σ = 405423324480. Its totient is φ = 405423324478.

The previous prime is 405423324401. The next prime is 405423324511. The reversal of 405423324479 is 974423324504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 405423324479 - 2²⁸ = 405154889023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405423327479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202711662239 + 202711662240.

It is an arithmetic number, because the mean of its divisors is an integer number (202711662240).

Almost surely, 2^405423324479 is an apocalyptic number.

405423324479 is a deficient number, since it is larger than the sum of its proper divisors (1).

405423324479 is an equidigital number, since it uses as much as digits as its factorization.

405423324479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 47.

The spelling of 405423324479 in words is "four hundred five billion, four hundred twenty-three million, three hundred twenty-four thousand, four hundred seventy-nine".