2269662569 has 2 divisors, whose sum is σ = 2269662570. Its totient is φ = 2269662568.

The previous prime is 2269662539. The next prime is 2269662599. The reversal of 2269662569 is 9652669622.

It is a balanced prime because it is at equal distance from previous prime (2269662539) and next prime (2269662599).

It can be written as a sum of positive squares in only one way, i.e., 1446661225 + 823001344 = 38035^2 + 28688^2 .

It is a cyclic number.

It is not a de Polignac number, because 2269662569 - 2⁸ = 2269662313 is a prime.

It is a super-2 number, since 2×2269662569² = 10302736354239359522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2269662569.

It is not a weakly prime, because it can be changed into another prime (2269662539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1134831284 + 1134831285.

It is an arithmetic number, because the mean of its divisors is an integer number (1134831285).

Almost surely, 2^2269662569 is an apocalyptic number.

It is an amenable number.

2269662569 is a deficient number, since it is larger than the sum of its proper divisors (1).

2269662569 is an equidigital number, since it uses as much as digits as its factorization.

2269662569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4199040, while the sum is 53.

The square root of 2269662569 is about 47640.9757351799. The cubic root of 2269662569 is about 1314.1767064414.

The spelling of 2269662569 in words is "two billion, two hundred sixty-nine million, six hundred sixty-two thousand, five hundred sixty-nine".