377912345933321 has 2 divisors, whose sum is σ = 377912345933322. Its totient is φ = 377912345933320.

The previous prime is 377912345933261. The next prime is 377912345933327. The reversal of 377912345933321 is 123339543219773.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 262964785683721 + 114947560249600 = 16216189^2 + 10721360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-377912345933321 is a prime.

It is not a weakly prime, because it can be changed into another prime (377912345933327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188956172966660 + 188956172966661.

It is an arithmetic number, because the mean of its divisors is an integer number (188956172966661).

Almost surely, 2^{377912345933321} is an apocalyptic number.

It is an amenable number.

377912345933321 is a deficient number, since it is larger than the sum of its proper divisors (1).

377912345933321 is an equidigital number, since it uses as much as digits as its factorization.

377912345933321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77157360, while the sum is 62.

The spelling of 377912345933321 in words is "three hundred seventy-seven trillion, nine hundred twelve billion, three hundred forty-five million, nine hundred thirty-three thousand, three hundred twenty-one".