2545634654 has 8 divisors (see below), whose sum is σ = 3818709360. Its totient is φ = 1272731536.

The previous prime is 2545634647. The next prime is 2545634671. The reversal of 2545634654 is 4564365452.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4802 + ... + 71514.

It is an arithmetic number, because the mean of its divisors is an integer number (477338670).

Almost surely, 2^2545634654 is an apocalyptic number.

2545634654 is a deficient number, since it is larger than the sum of its proper divisors (1273074706).

2545634654 is a wasteful number, since it uses less digits than its factorization.

2545634654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85794.

The product of its digits is 1728000, while the sum is 44.

The square root of 2545634654 is about 50454.2828112738. The cubic root of 2545634654 is about 1365.4171649136.

The spelling of 2545634654 in words is "two billion, five hundred forty-five million, six hundred thirty-four thousand, six hundred fifty-four".