2499007680625 has 45 divisors (see below), whose sum is σ = 3211319030997. Its totient is φ = 1944035352000.

The previous prime is 2499007680623. The next prime is 2499007680629. The reversal of 2499007680625 is 5260867009942.

The square root of 2499007680625 is 1580825.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 22 ways, for example, as 2431082811249 + 67924869376 = 1559193^2 + 260624^2 .

It is not a de Polignac number, because 2499007680625 - 2¹ = 2499007680623 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2499007680625.

It is not an unprimeable number, because it can be changed into a prime (2499007680623) 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 44 ways as a sum of consecutive naturals, for example, 1462262271 + ... + 1462263979.

Almost surely, 2^{2499007680625} is an apocalyptic number.

2499007680625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2499007680625 is the 1580825-th square number.

2499007680625 is the 790413-rd centered octagonal number.

It is an amenable number.

2499007680625 is a deficient number, since it is larger than the sum of its proper divisors (712311350372).

2499007680625 is an frugal number, since it uses more digits than its factorization.

2499007680625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3512 (or 1751 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 2499007680625 in words is "two trillion, four hundred ninety-nine billion, seven million, six hundred eighty thousand, six hundred twenty-five".