2504988665 has 8 divisors (see below), whose sum is σ = 3056935680. Its totient is φ = 1970024752.

The previous prime is 2504988653. The next prime is 2504988667. The reversal of 2504988665 is 5668894052.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2504988665 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2504988667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4245449 + ... + 4246038.

It is an arithmetic number, because the mean of its divisors is an integer number (382116960).

Almost surely, 2^2504988665 is an apocalyptic number.

It is an amenable number.

2504988665 is a deficient number, since it is larger than the sum of its proper divisors (551947015).

2504988665 is an equidigital number, since it uses as much as digits as its factorization.

2504988665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8491551.

The product of its (nonzero) digits is 4147200, while the sum is 53.

The square root of 2504988665 is about 50049.8617880210. The cubic root of 2504988665 is about 1358.1109631674.

The spelling of 2504988665 in words is "two billion, five hundred four million, nine hundred eighty-eight thousand, six hundred sixty-five".