401214411999977 has 2 divisors, whose sum is σ = 401214411999978. Its totient is φ = 401214411999976.

The previous prime is 401214411999967. The next prime is 401214412000177. The reversal of 401214411999977 is 779999114412104.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220913406280336 + 180301005719641 = 14863156^2 + 13427621^2 .

It is a cyclic number.

It is not a de Polignac number, because 401214411999977 - 2⁶ = 401214411999913 is a prime.

It is not a weakly prime, because it can be changed into another prime (401214411999967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200607205999988 + 200607205999989.

It is an arithmetic number, because the mean of its divisors is an integer number (200607205999989).

Almost surely, 2^{401214411999977} is an apocalyptic number.

It is an amenable number.

401214411999977 is a deficient number, since it is larger than the sum of its proper divisors (1).

401214411999977 is an equidigital number, since it uses as much as digits as its factorization.

401214411999977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41150592, while the sum is 68.

The spelling of 401214411999977 in words is "four hundred one trillion, two hundred fourteen billion, four hundred eleven million, nine hundred ninety-nine thousand, nine hundred seventy-seven".