2655400673 has 4 divisors (see below), whose sum is σ = 2678899908. Its totient is φ = 2631901440.

The previous prime is 2655400661. The next prime is 2655400679. The reversal of 2655400673 is 3760045562.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1320813649 + 1334587024 = 36343^2 + 36532^2 .

It is a cyclic number.

It is not a de Polignac number, because 2655400673 - 2⁶ = 2655400609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2655400679) 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, 11749448 + ... + 11749673.

It is an arithmetic number, because the mean of its divisors is an integer number (669724977).

Almost surely, 2^2655400673 is an apocalyptic number.

It is an amenable number.

2655400673 is a deficient number, since it is larger than the sum of its proper divisors (23499235).

2655400673 is a wasteful number, since it uses less digits than its factorization.

2655400673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23499234.

The product of its (nonzero) digits is 151200, while the sum is 38.

The square root of 2655400673 is about 51530.5799792706. The cubic root of 2655400673 is about 1384.7669411962.

The spelling of 2655400673 in words is "two billion, six hundred fifty-five million, four hundred thousand, six hundred seventy-three".