406313313577 has 2 divisors, whose sum is σ = 406313313578. Its totient is φ = 406313313576.

The previous prime is 406313313569. The next prime is 406313313607. The reversal of 406313313577 is 775313313604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 401545272976 + 4768040601 = 633676^2 + 69051^2 .

It is a cyclic number.

It is not a de Polignac number, because 406313313577 - 2³ = 406313313569 is a prime.

It is not a weakly prime, because it can be changed into another prime (406313313517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203156656788 + 203156656789.

It is an arithmetic number, because the mean of its divisors is an integer number (203156656789).

Almost surely, 2^406313313577 is an apocalyptic number.

It is an amenable number.

406313313577 is a deficient number, since it is larger than the sum of its proper divisors (1).

406313313577 is an equidigital number, since it uses as much as digits as its factorization.

406313313577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 476280, while the sum is 43.

The spelling of 406313313577 in words is "four hundred six billion, three hundred thirteen million, three hundred thirteen thousand, five hundred seventy-seven".