401777013496357 has 2 divisors, whose sum is σ = 401777013496358. Its totient is φ = 401777013496356.

The previous prime is 401777013496277. The next prime is 401777013496361. The reversal of 401777013496357 is 753694310777104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 377905590762436 + 23871422733921 = 19439794^2 + 4885839^2 .

It is a cyclic number.

It is not a de Polignac number, because 401777013496357 - 2³⁵ = 401742653757989 is a prime.

It is a super-2 number, since 2×401777013496357² (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 (401777013496057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200888506748178 + 200888506748179.

It is an arithmetic number, because the mean of its divisors is an integer number (200888506748179).

Almost surely, 2^{401777013496357} is an apocalyptic number.

It is an amenable number.

401777013496357 is a deficient number, since it is larger than the sum of its proper divisors (1).

401777013496357 is an equidigital number, since it uses as much as digits as its factorization.

401777013496357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93350880, while the sum is 64.

The spelling of 401777013496357 in words is "four hundred one trillion, seven hundred seventy-seven billion, thirteen million, four hundred ninety-six thousand, three hundred fifty-seven".