2499189445 has 16 divisors (see below), whose sum is σ = 3046085568. Its totient is φ = 1968024960.

The previous prime is 2499189419. The next prime is 2499189461. The reversal of 2499189445 is 5449819942.

It is not a de Polignac number, because 2499189445 - 2⁹ = 2499188933 is a prime.

It is a Duffinian number.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 714150 + ... + 717640.

It is an arithmetic number, because the mean of its divisors is an integer number (190380348).

Almost surely, 2^2499189445 is an apocalyptic number.

It is an amenable number.

2499189445 is a deficient number, since it is larger than the sum of its proper divisors (546896123).

2499189445 is a wasteful number, since it uses less digits than its factorization.

2499189445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5700.

The product of its digits is 3732480, while the sum is 55.

The square root of 2499189445 is about 49991.8937928941. The cubic root of 2499189445 is about 1357.0621134577.

The spelling of 2499189445 in words is "two billion, four hundred ninety-nine million, one hundred eighty-nine thousand, four hundred forty-five".