402441022969 has 2 divisors, whose sum is σ = 402441022970. Its totient is φ = 402441022968.

The previous prime is 402441022961. The next prime is 402441023021. The reversal of 402441022969 is 969220144204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 385904348944 + 16536674025 = 621212^2 + 128595^2 .

It is a cyclic number.

It is not a de Polignac number, because 402441022969 - 2³ = 402441022961 is a prime.

It is a super-2 number, since 2×402441022969² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (402441022961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201220511484 + 201220511485.

It is an arithmetic number, because the mean of its divisors is an integer number (201220511485).

Almost surely, 2^402441022969 is an apocalyptic number.

It is an amenable number.

402441022969 is a deficient number, since it is larger than the sum of its proper divisors (1).

402441022969 is an equidigital number, since it uses as much as digits as its factorization.

402441022969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 402441022969 in words is "four hundred two billion, four hundred forty-one million, twenty-two thousand, nine hundred sixty-nine".