1040259442669 has 2 divisors, whose sum is σ = 1040259442670. Its totient is φ = 1040259442668.

The previous prime is 1040259442631. The next prime is 1040259442757. The reversal of 1040259442669 is 9662449520401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 731645861769 + 308613580900 = 855363^2 + 555530^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040259442669 - 2²⁵ = 1040225888237 is a prime.

It is a super-2 number, since 2×1040259442669² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040259452669) 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, 520129721334 + 520129721335.

It is an arithmetic number, because the mean of its divisors is an integer number (520129721335).

Almost surely, 2^{1040259442669} is an apocalyptic number.

It is an amenable number.

1040259442669 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040259442669 is an equidigital number, since it uses as much as digits as its factorization.

1040259442669 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 52.

The spelling of 1040259442669 in words is "one trillion, forty billion, two hundred fifty-nine million, four hundred forty-two thousand, six hundred sixty-nine".