13420950377 has 2 divisors, whose sum is σ = 13420950378. Its totient is φ = 13420950376.

The previous prime is 13420950359. The next prime is 13420950383. The reversal of 13420950377 is 77305902431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9989802601 + 3431147776 = 99949^2 + 58576^2 .

It is a cyclic number.

It is not a de Polignac number, because 13420950377 - 2²⁴ = 13404173161 is a prime.

It is not a weakly prime, because it can be changed into another prime (13420950307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6710475188 + 6710475189.

It is an arithmetic number, because the mean of its divisors is an integer number (6710475189).

Almost surely, 2^13420950377 is an apocalyptic number.

It is an amenable number.

13420950377 is a deficient number, since it is larger than the sum of its proper divisors (1).

13420950377 is an equidigital number, since it uses as much as digits as its factorization.

13420950377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 41.

The spelling of 13420950377 in words is "thirteen billion, four hundred twenty million, nine hundred fifty thousand, three hundred seventy-seven".