2265918469 has 2 divisors, whose sum is σ = 2265918470. Its totient is φ = 2265918468.

The previous prime is 2265918437. The next prime is 2265918481. The reversal of 2265918469 is 9648195622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2142486369 + 123432100 = 46287^2 + 11110^2 .

It is a cyclic number.

It is not a de Polignac number, because 2265918469 - 2⁵ = 2265918437 is a prime.

It is a super-2 number, since 2×2265918469² = 10268773016310607922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2265918419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1132959234 + 1132959235.

It is an arithmetic number, because the mean of its divisors is an integer number (1132959235).

Almost surely, 2^2265918469 is an apocalyptic number.

It is an amenable number.

2265918469 is a deficient number, since it is larger than the sum of its proper divisors (1).

2265918469 is an equidigital number, since it uses as much as digits as its factorization.

2265918469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 52.

The square root of 2265918469 is about 47601.6645612315. The cubic root of 2265918469 is about 1313.4536742792.

The spelling of 2265918469 in words is "two billion, two hundred sixty-five million, nine hundred eighteen thousand, four hundred sixty-nine".