401413340989 has 2 divisors, whose sum is σ = 401413340990. Its totient is φ = 401413340988.

The previous prime is 401413340983. The next prime is 401413341071. The reversal of 401413340989 is 989043314104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 308591360100 + 92821980889 = 555510^2 + 304667^2 .

It is a cyclic number.

It is not a de Polignac number, because 401413340989 - 2¹⁵ = 401413308221 is a prime.

It is a super-2 number, since 2×401413340989² (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 (401413340983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200706670494 + 200706670495.

It is an arithmetic number, because the mean of its divisors is an integer number (200706670495).

Almost surely, 2^401413340989 is an apocalyptic number.

It is an amenable number.

401413340989 is a deficient number, since it is larger than the sum of its proper divisors (1).

401413340989 is an equidigital number, since it uses as much as digits as its factorization.

401413340989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 401413340989 in words is "four hundred one billion, four hundred thirteen million, three hundred forty thousand, nine hundred eighty-nine".