401230355615377 has 2 divisors, whose sum is σ = 401230355615378. Its totient is φ = 401230355615376.

The previous prime is 401230355615321. The next prime is 401230355615437. The reversal of 401230355615377 is 773516553032104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 355953727293696 + 45276628321681 = 18866736^2 + 6728791^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401230355615377 is a prime.

It is not a weakly prime, because it can be changed into another prime (401230355615317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200615177807688 + 200615177807689.

It is an arithmetic number, because the mean of its divisors is an integer number (200615177807689).

Almost surely, 2^{401230355615377} is an apocalyptic number.

It is an amenable number.

401230355615377 is a deficient number, since it is larger than the sum of its proper divisors (1).

401230355615377 is an equidigital number, since it uses as much as digits as its factorization.

401230355615377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938000, while the sum is 52.

The spelling of 401230355615377 in words is "four hundred one trillion, two hundred thirty billion, three hundred fifty-five million, six hundred fifteen thousand, three hundred seventy-seven".