401337810893 has 2 divisors, whose sum is σ = 401337810894. Its totient is φ = 401337810892.

The previous prime is 401337810889. The next prime is 401337810899. The reversal of 401337810893 is 398018733104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 400034745289 + 1303065604 = 632483^2 + 36098^2 .

It is a cyclic number.

It is not a de Polignac number, because 401337810893 - 2² = 401337810889 is a prime.

It is a super-2 number, since 2×401337810893² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401337810899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200668905446 + 200668905447.

It is an arithmetic number, because the mean of its divisors is an integer number (200668905447).

Almost surely, 2^401337810893 is an apocalyptic number.

It is an amenable number.

401337810893 is a deficient number, since it is larger than the sum of its proper divisors (1).

401337810893 is an equidigital number, since it uses as much as digits as its factorization.

401337810893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 401337810893 in words is "four hundred one billion, three hundred thirty-seven million, eight hundred ten thousand, eight hundred ninety-three".