2654885645 has 8 divisors (see below), whose sum is σ = 3189254040. Its totient is φ = 2121647680.

The previous prime is 2654885633. The next prime is 2654885659. The reversal of 2654885645 is 5465884562.

It can be written as a sum of positive squares in 4 ways, for example, as 206813161 + 2448072484 = 14381^2 + 49478^2 .

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

It is not a de Polignac number, because 2654885645 - 2⁶ = 2654885581 is a prime.

It is a super-3 number, since 3×2654885645³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277430 + ... + 286839.

It is an arithmetic number, because the mean of its divisors is an integer number (398656755).

Almost surely, 2^2654885645 is an apocalyptic number.

It is an amenable number.

2654885645 is a deficient number, since it is larger than the sum of its proper divisors (534368395).

2654885645 is an equidigital number, since it uses as much as digits as its factorization.

2654885645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565215.

The product of its digits is 9216000, while the sum is 53.

The square root of 2654885645 is about 51525.5824324189. The cubic root of 2654885645 is about 1384.6774079580.

The spelling of 2654885645 in words is "two billion, six hundred fifty-four million, eight hundred eighty-five thousand, six hundred forty-five".