2653649551 has 8 divisors (see below), whose sum is σ = 3033797760. Its totient is φ = 2273765208.

The previous prime is 2653649533. The next prime is 2653649567. The reversal of 2653649551 is 1559463562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2653649551 - 2⁷ = 2653649423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2653649521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43921 + ... + 85066.

It is an arithmetic number, because the mean of its divisors is an integer number (379224720).

Almost surely, 2^2653649551 is an apocalyptic number.

2653649551 is a deficient number, since it is larger than the sum of its proper divisors (380148209).

2653649551 is a wasteful number, since it uses less digits than its factorization.

2653649551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131933.

The product of its digits is 972000, while the sum is 46.

The square root of 2653649551 is about 51513.5860817319. The cubic root of 2653649551 is about 1384.4624762726.

The spelling of 2653649551 in words is "two billion, six hundred fifty-three million, six hundred forty-nine thousand, five hundred fifty-one".