2505660748 has 6 divisors (see below), whose sum is σ = 4384906316. Its totient is φ = 1252830372.

The previous prime is 2505660743. The next prime is 2505660769. The reversal of 2505660748 is 8470665052.

It is not an unprimeable number, because it can be changed into a prime (2505660743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313207590 + ... + 313207597.

Almost surely, 2^2505660748 is an apocalyptic number.

It is an amenable number.

2505660748 is a deficient number, since it is larger than the sum of its proper divisors (1879245568).

2505660748 is a wasteful number, since it uses less digits than its factorization.

2505660748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626415191 (or 626415189 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The square root of 2505660748 is about 50056.5754721595. The cubic root of 2505660748 is about 1358.2324117106.

The spelling of 2505660748 in words is "two billion, five hundred five million, six hundred sixty thousand, seven hundred forty-eight".