2653655749 has 4 divisors (see below), whose sum is σ = 2809753164. Its totient is φ = 2497558336.

The previous prime is 2653655737. The next prime is 2653655779. The reversal of 2653655749 is 9475563562.

2653655749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2321505124 + 332150625 = 48182^2 + 18225^2 .

It is a cyclic number.

It is not a de Polignac number, because 2653655749 - 2⁵ = 2653655717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2653655696 and 2653655705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2653655779) 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, 78048682 + ... + 78048715.

It is an arithmetic number, because the mean of its divisors is an integer number (702438291).

Almost surely, 2^2653655749 is an apocalyptic number.

It is an amenable number.

2653655749 is a deficient number, since it is larger than the sum of its proper divisors (156097415).

2653655749 is a wasteful number, since it uses less digits than its factorization.

2653655749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156097414.

The product of its digits is 6804000, while the sum is 52.

The square root of 2653655749 is about 51513.6462405837. The cubic root of 2653655749 is about 1384.4635541456.

The spelling of 2653655749 in words is "two billion, six hundred fifty-three million, six hundred fifty-five thousand, seven hundred forty-nine".