405122674038847 has 2 divisors, whose sum is σ = 405122674038848. Its totient is φ = 405122674038846.

The previous prime is 405122674038827. The next prime is 405122674038877. The reversal of 405122674038847 is 748830476221504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 405122674038847 - 2³⁵ = 405088314300479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405122674038827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202561337019423 + 202561337019424.

It is an arithmetic number, because the mean of its divisors is an integer number (202561337019424).

Almost surely, 2^{405122674038847} is an apocalyptic number.

405122674038847 is a deficient number, since it is larger than the sum of its proper divisors (1).

405122674038847 is an equidigital number, since it uses as much as digits as its factorization.

405122674038847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72253440, while the sum is 61.

The spelling of 405122674038847 in words is "four hundred five trillion, one hundred twenty-two billion, six hundred seventy-four million, thirty-eight thousand, eight hundred forty-seven".