410985169681 has 2 divisors, whose sum is σ = 410985169682. Its totient is φ = 410985169680.

The previous prime is 410985169669. The next prime is 410985169709. The reversal of 410985169681 is 186961589014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 392177790081 + 18807379600 = 626241^2 + 137140^2 .

It is a cyclic number.

It is not a de Polignac number, because 410985169681 - 2⁹ = 410985169169 is a prime.

It is a super-2 number, since 2×410985169681² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (410985169631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205492584840 + 205492584841.

It is an arithmetic number, because the mean of its divisors is an integer number (205492584841).

Almost surely, 2^410985169681 is an apocalyptic number.

It is an amenable number.

410985169681 is a deficient number, since it is larger than the sum of its proper divisors (1).

410985169681 is an equidigital number, since it uses as much as digits as its factorization.

410985169681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3732480, while the sum is 58.

The spelling of 410985169681 in words is "four hundred ten billion, nine hundred eighty-five million, one hundred sixty-nine thousand, six hundred eighty-one".