2653996209 has 16 divisors (see below), whose sum is σ = 3733788480. Its totient is φ = 1672211520.

The previous prime is 2653996193. The next prime is 2653996217. The reversal of 2653996209 is 9026993562.

It is not a de Polignac number, because 2653996209 - 2⁴ = 2653996193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2653991209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31302 + ... + 79295.

It is an arithmetic number, because the mean of its divisors is an integer number (233361780).

Almost surely, 2^2653996209 is an apocalyptic number.

It is an amenable number.

2653996209 is a deficient number, since it is larger than the sum of its proper divisors (1079792271).

2653996209 is a wasteful number, since it uses less digits than its factorization.

2653996209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111040.

The product of its (nonzero) digits is 1574640, while the sum is 51.

The square root of 2653996209 is about 51516.9506958632. The cubic root of 2653996209 is about 1384.5227598037.

The spelling of 2653996209 in words is "two billion, six hundred fifty-three million, nine hundred ninety-six thousand, two hundred nine".