2553920569 has 4 divisors (see below), whose sum is σ = 2557868544. Its totient is φ = 2549972596.

The previous prime is 2553920563. The next prime is 2553920581. The reversal of 2553920569 is 9650293552.

2553920569 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, 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-2553920569 is a prime.

It is a super-2 number, since 2×2553920569² = 13045020545522567522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2553920563) 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, 1973017 + ... + 1974310.

It is an arithmetic number, because the mean of its divisors is an integer number (639467136).

Almost surely, 2^2553920569 is an apocalyptic number.

It is an amenable number.

2553920569 is a deficient number, since it is larger than the sum of its proper divisors (3947975).

2553920569 is an equidigital number, since it uses as much as digits as its factorization.

2553920569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3947974.

The product of its (nonzero) digits is 729000, while the sum is 46.

The square root of 2553920569 is about 50536.3291998934. The cubic root of 2553920569 is about 1366.8970155916.

The spelling of 2553920569 in words is "two billion, five hundred fifty-three million, nine hundred twenty thousand, five hundred sixty-nine".