405208385051 has 2 divisors, whose sum is σ = 405208385052. Its totient is φ = 405208385050.

The previous prime is 405208384991. The next prime is 405208385053. The reversal of 405208385051 is 150583802504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 405208385051 - 2¹⁰ = 405208384027 is a prime.

Together with 405208385053, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (405208385053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202604192525 + 202604192526.

It is an arithmetic number, because the mean of its divisors is an integer number (202604192526).

Almost surely, 2^405208385051 is an apocalyptic number.

405208385051 is a deficient number, since it is larger than the sum of its proper divisors (1).

405208385051 is an equidigital number, since it uses as much as digits as its factorization.

405208385051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192000, while the sum is 41.

The spelling of 405208385051 in words is "four hundred five billion, two hundred eight million, three hundred eighty-five thousand, fifty-one".