2669538623 has 2 divisors, whose sum is σ = 2669538624. Its totient is φ = 2669538622.

The previous prime is 2669538617. The next prime is 2669538637. The reversal of 2669538623 is 3268359662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2669538623 - 2⁶ = 2669538559 is a prime.

It is a super-2 number, since 2×2669538623² = 14252872919377472258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2669538673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1334769311 + 1334769312.

It is an arithmetic number, because the mean of its divisors is an integer number (1334769312).

Almost surely, 2^2669538623 is an apocalyptic number.

2669538623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2669538623 is an equidigital number, since it uses as much as digits as its factorization.

2669538623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2799360, while the sum is 50.

The square root of 2669538623 is about 51667.5780640045. The cubic root of 2669538623 is about 1387.2201959172.

The spelling of 2669538623 in words is "two billion, six hundred sixty-nine million, five hundred thirty-eight thousand, six hundred twenty-three".