2654883581 has 4 divisors (see below), whose sum is σ = 3034152672. Its totient is φ = 2275614492.

The previous prime is 2654883577. The next prime is 2654883587. The reversal of 2654883581 is 1853884562.

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 2654883581 - 2² = 2654883577 is a prime.

It is a super-2 number, since 2×2654883581² = 14096813657326767122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2654883587) 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, 189634535 + ... + 189634548.

It is an arithmetic number, because the mean of its divisors is an integer number (758538168).

Almost surely, 2^2654883581 is an apocalyptic number.

It is an amenable number.

2654883581 is a deficient number, since it is larger than the sum of its proper divisors (379269091).

2654883581 is an equidigital number, since it uses as much as digits as its factorization.

2654883581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379269090.

The product of its digits is 1843200, while the sum is 50.

The square root of 2654883581 is about 51525.5624035294. The cubic root of 2654883581 is about 1384.6770491259.

The spelling of 2654883581 in words is "two billion, six hundred fifty-four million, eight hundred eighty-three thousand, five hundred eighty-one".