13422450137857 has 2 divisors, whose sum is σ = 13422450137858. Its totient is φ = 13422450137856.

The previous prime is 13422450137821. The next prime is 13422450137867. The reversal of 13422450137857 is 75873105422431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13421899015281 + 551122576 = 3663591^2 + 23476^2 .

It is an emirp because it is prime and its reverse (75873105422431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13422450137857 is a prime.

It is not a weakly prime, because it can be changed into another prime (13422450137867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6711225068928 + 6711225068929.

It is an arithmetic number, because the mean of its divisors is an integer number (6711225068929).

Almost surely, 2^{13422450137857} is an apocalyptic number.

It is an amenable number.

13422450137857 is a deficient number, since it is larger than the sum of its proper divisors (1).

13422450137857 is an equidigital number, since it uses as much as digits as its factorization.

13422450137857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5644800, while the sum is 52.

The spelling of 13422450137857 in words is "thirteen trillion, four hundred twenty-two billion, four hundred fifty million, one hundred thirty-seven thousand, eight hundred fifty-seven".