2489749475 has 12 divisors (see below), whose sum is σ = 3117266256. Its totient is φ = 1972459680.

The previous prime is 2489749447. The next prime is 2489749519. The reversal of 2489749475 is 5749479842.

It is not a de Polignac number, because 2489749475 - 2⁸ = 2489749219 is a prime.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 480872 + ... + 486021.

It is an arithmetic number, because the mean of its divisors is an integer number (259772188).

Almost surely, 2^2489749475 is an apocalyptic number.

2489749475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2489749475 is a deficient number, since it is larger than the sum of its proper divisors (627516781).

2489749475 is a wasteful number, since it uses less digits than its factorization.

2489749475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967006 (or 967001 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 59.

The square root of 2489749475 is about 49897.3894607724. The cubic root of 2489749475 is about 1355.3513202399.

The spelling of 2489749475 in words is "two billion, four hundred eighty-nine million, seven hundred forty-nine thousand, four hundred seventy-five".