405122674104391 has 2 divisors, whose sum is σ = 405122674104392. Its totient is φ = 405122674104390.

The previous prime is 405122674104389. The next prime is 405122674104431. The reversal of 405122674104391 is 193401476221504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 405122674104391 - 2¹ = 405122674104389 is a prime.

Together with 405122674104389, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405122674104301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202561337052195 + 202561337052196.

It is an arithmetic number, because the mean of its divisors is an integer number (202561337052196).

Almost surely, 2^{405122674104391} is an apocalyptic number.

405122674104391 is a deficient number, since it is larger than the sum of its proper divisors (1).

405122674104391 is an equidigital number, since it uses as much as digits as its factorization.

405122674104391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 405122674104391 in words is "four hundred five trillion, one hundred twenty-two billion, six hundred seventy-four million, one hundred four thousand, three hundred ninety-one".