401772374462351 has 2 divisors, whose sum is σ = 401772374462352. Its totient is φ = 401772374462350.

The previous prime is 401772374462309. The next prime is 401772374462383. The reversal of 401772374462351 is 153264473277104.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401772374462351 is a prime.

It is a super-2 number, since 2×401772374462351² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401772374465351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200886187231175 + 200886187231176.

It is an arithmetic number, because the mean of its divisors is an integer number (200886187231176).

Almost surely, 2^{401772374462351} is an apocalyptic number.

401772374462351 is a deficient number, since it is larger than the sum of its proper divisors (1).

401772374462351 is an equidigital number, since it uses as much as digits as its factorization.

401772374462351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23708160, while the sum is 56.

The spelling of 401772374462351 in words is "four hundred one trillion, seven hundred seventy-two billion, three hundred seventy-four million, four hundred sixty-two thousand, three hundred fifty-one".