9440002669 has 2 divisors, whose sum is σ = 9440002670. Its totient is φ = 9440002668.

The previous prime is 9440002613. The next prime is 9440002679. The reversal of 9440002669 is 9662000449.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7436992644 + 2003010025 = 86238^2 + 44755^2 .

It is an emirp because it is prime and its reverse (9662000449) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9440002669 - 2¹⁵ = 9439969901 is a prime.

It is a super-2 number, since 2×9440002669² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9440002679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4720001334 + 4720001335.

It is an arithmetic number, because the mean of its divisors is an integer number (4720001335).

Almost surely, 2^9440002669 is an apocalyptic number.

It is an amenable number.

9440002669 is a deficient number, since it is larger than the sum of its proper divisors (1).

9440002669 is an equidigital number, since it uses as much as digits as its factorization.

9440002669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 9440002669 is about 97159.6761470519. The cubic root of 9440002669 is about 2113.4438096975.

The spelling of 9440002669 in words is "nine billion, four hundred forty million, two thousand, six hundred sixty-nine".