2653772249 has 4 divisors (see below), whose sum is σ = 2654097936. Its totient is φ = 2653446564.

The previous prime is 2653772213. The next prime is 2653772263. The reversal of 2653772249 is 9422773562.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2653772249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2653772279) 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, 150299 + ... + 167024.

It is an arithmetic number, because the mean of its divisors is an integer number (663524484).

Almost surely, 2^2653772249 is an apocalyptic number.

It is an amenable number.

2653772249 is a deficient number, since it is larger than the sum of its proper divisors (325687).

2653772249 is an equidigital number, since it uses as much as digits as its factorization.

2653772249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325686.

The product of its digits is 1270080, while the sum is 47.

The square root of 2653772249 is about 51514.7769965085. The cubic root of 2653772249 is about 1384.4838139506.

The spelling of 2653772249 in words is "two billion, six hundred fifty-three million, seven hundred seventy-two thousand, two hundred forty-nine".