2545766684 has 24 divisors (see below), whose sum is σ = 4692256128. Its totient is φ = 1206157040.

The previous prime is 2545766669. The next prime is 2545766723. The reversal of 2545766684 is 4866675452.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119462 + ... + 139149.

It is an arithmetic number, because the mean of its divisors is an integer number (195510672).

Almost surely, 2^2545766684 is an apocalyptic number.

It is an amenable number.

2545766684 is a deficient number, since it is larger than the sum of its proper divisors (2146489444).

2545766684 is a wasteful number, since it uses less digits than its factorization.

2545766684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258745 (or 258743 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 53.

The square root of 2545766684 is about 50455.5912065254. The cubic root of 2545766684 is about 1365.4407704104.

The spelling of 2545766684 in words is "two billion, five hundred forty-five million, seven hundred sixty-six thousand, six hundred eighty-four".