2656054369 has 4 divisors (see below), whose sum is σ = 2656234260. Its totient is φ = 2655874480.

The previous prime is 2656054351. The next prime is 2656054399. The reversal of 2656054369 is 9634506562.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9634506562 = 2 ⋅4817253281.

It can be written as a sum of positive squares in 2 ways, for example, as 1861491025 + 794563344 = 43145^2 + 28188^2 .

It is a cyclic number.

It is not a de Polignac number, because 2656054369 - 2⁵ = 2656054337 is a prime.

It is a super-2 number, since 2×2656054369² = 14109249622167976322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2656054319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65602 + ... + 98059.

It is an arithmetic number, because the mean of its divisors is an integer number (664058565).

Almost surely, 2^2656054369 is an apocalyptic number.

It is an amenable number.

2656054369 is a deficient number, since it is larger than the sum of its proper divisors (179891).

2656054369 is a wasteful number, since it uses less digits than its factorization.

2656054369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179890.

The product of its (nonzero) digits is 1166400, while the sum is 46.

The square root of 2656054369 is about 51536.9223858003. The cubic root of 2656054369 is about 1384.8805640164.

The spelling of 2656054369 in words is "two billion, six hundred fifty-six million, fifty-four thousand, three hundred sixty-nine".