2669444393 has 12 divisors (see below), whose sum is σ = 3387570192. Its totient is φ = 2080086120.

The previous prime is 2669444353. The next prime is 2669444483. The reversal of 2669444393 is 3934449662.

It is not a de Polignac number, because 2669444393 - 2⁸ = 2669444137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2669444303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2475755 + ... + 2476832.

It is an arithmetic number, because the mean of its divisors is an integer number (282297516).

Almost surely, 2^2669444393 is an apocalyptic number.

It is an amenable number.

2669444393 is a deficient number, since it is larger than the sum of its proper divisors (718125799).

2669444393 is a wasteful number, since it uses less digits than its factorization.

2669444393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4952612 (or 4952605 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 50.

The square root of 2669444393 is about 51666.6661688172. Note that the first 3 decimals coincide. The cubic root of 2669444393 is about 1387.2038735839.

The spelling of 2669444393 in words is "two billion, six hundred sixty-nine million, four hundred forty-four thousand, three hundred ninety-three".