2669263065 has 80 divisors (see below), whose sum is σ = 5616475392. Its totient is φ = 1187208576.

The previous prime is 2669263043. The next prime is 2669263081. The reversal of 2669263065 is 5603629662.

2669263065 is a `hidden beast` number, since 2 + 6 + 6 + 9 + 2 + 630 + 6 + 5 = 666.

It is not a de Polignac number, because 2669263065 - 2¹³ = 2669254873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2669263065.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 92172 + ... + 117618.

Almost surely, 2^2669263065 is an apocalyptic number.

It is an amenable number.

2669263065 is an abundant number, since it is smaller than the sum of its proper divisors (2947212327).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2669263065 is a wasteful number, since it uses less digits than its factorization.

2669263065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25508 (or 25499 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The square root of 2669263065 is about 51664.9113519030. The cubic root of 2669263065 is about 1387.1724632275.

The spelling of 2669263065 in words is "two billion, six hundred sixty-nine million, two hundred sixty-three thousand, sixty-five".