2669538635 has 4 divisors (see below), whose sum is σ = 3203446368. Its totient is φ = 2135630904.

The previous prime is 2669538623. The next prime is 2669538637. The reversal of 2669538635 is 5368359662.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2669538635 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2669538637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266953859 + ... + 266953868.

It is an arithmetic number, because the mean of its divisors is an integer number (800861592).

Almost surely, 2^2669538635 is an apocalyptic number.

2669538635 is a deficient number, since it is larger than the sum of its proper divisors (533907733).

2669538635 is an equidigital number, since it uses as much as digits as its factorization.

2669538635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533907732.

The product of its digits is 6998400, while the sum is 53.

The square root of 2669538635 is about 51667.5781801315. The cubic root of 2669538635 is about 1387.2201979958.

The spelling of 2669538635 in words is "two billion, six hundred sixty-nine million, five hundred thirty-eight thousand, six hundred thirty-five".