4012402044569 has 2 divisors, whose sum is σ = 4012402044570. Its totient is φ = 4012402044568.

The previous prime is 4012402044503. The next prime is 4012402044613. The reversal of 4012402044569 is 9654402042104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3791607312025 + 220794732544 = 1947205^2 + 469888^2 .

It is a cyclic number.

It is not a de Polignac number, because 4012402044569 - 2²⁴ = 4012385267353 is a prime.

It is a super-2 number, since 2×4012402044569² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4012402041569) 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, 2006201022284 + 2006201022285.

It is an arithmetic number, because the mean of its divisors is an integer number (2006201022285).

Almost surely, 2^{4012402044569} is an apocalyptic number.

It is an amenable number.

4012402044569 is a deficient number, since it is larger than the sum of its proper divisors (1).

4012402044569 is an equidigital number, since it uses as much as digits as its factorization.

4012402044569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 4012402044569 in words is "four trillion, twelve billion, four hundred two million, forty-four thousand, five hundred sixty-nine".