410242399981 has 2 divisors, whose sum is σ = 410242399982. Its totient is φ = 410242399980.

The previous prime is 410242399961. The next prime is 410242400023. The reversal of 410242399981 is 189993242014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 367417822500 + 42824577481 = 606150^2 + 206941^2 .

It is a cyclic number.

It is not a de Polignac number, because 410242399981 - 2⁵ = 410242399949 is a prime.

It is a super-2 number, since 2×410242399981² (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 (410242399901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205121199990 + 205121199991.

It is an arithmetic number, because the mean of its divisors is an integer number (205121199991).

Almost surely, 2^410242399981 is an apocalyptic number.

It is an amenable number.

410242399981 is a deficient number, since it is larger than the sum of its proper divisors (1).

410242399981 is an equidigital number, since it uses as much as digits as its factorization.

410242399981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The spelling of 410242399981 in words is "four hundred ten billion, two hundred forty-two million, three hundred ninety-nine thousand, nine hundred eighty-one".