2653123361 has 4 divisors (see below), whose sum is σ = 3032140992. Its totient is φ = 2274105732.

The previous prime is 2653123289. The next prime is 2653123379. The reversal of 2653123361 is 1633213562.

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 not a de Polignac number, because 2653123361 - 2¹⁰ = 2653122337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2653123381) 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, 189508805 + ... + 189508818.

It is an arithmetic number, because the mean of its divisors is an integer number (758035248).

Almost surely, 2^2653123361 is an apocalyptic number.

It is an amenable number.

2653123361 is a deficient number, since it is larger than the sum of its proper divisors (379017631).

2653123361 is an equidigital number, since it uses as much as digits as its factorization.

2653123361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379017630.

The product of its digits is 19440, while the sum is 32.

The square root of 2653123361 is about 51508.4785350917. The cubic root of 2653123361 is about 1384.3709622460.

The spelling of 2653123361 in words is "two billion, six hundred fifty-three million, one hundred twenty-three thousand, three hundred sixty-one".