401868437713 has 2 divisors, whose sum is σ = 401868437714. Its totient is φ = 401868437712.

The previous prime is 401868437681. The next prime is 401868437749. The reversal of 401868437713 is 317734868104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220343870464 + 181524567249 = 469408^2 + 426057^2 .

It is a cyclic number.

It is not a de Polignac number, because 401868437713 - 2⁵ = 401868437681 is a prime.

It is a super-2 number, since 2×401868437713² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401868437413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200934218856 + 200934218857.

It is an arithmetic number, because the mean of its divisors is an integer number (200934218857).

Almost surely, 2^401868437713 is an apocalyptic number.

It is an amenable number.

401868437713 is a deficient number, since it is larger than the sum of its proper divisors (1).

401868437713 is an equidigital number, since it uses as much as digits as its factorization.

401868437713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 401868437713 in words is "four hundred one billion, eight hundred sixty-eight million, four hundred thirty-seven thousand, seven hundred thirteen".