2390391249 has 8 divisors (see below), whose sum is σ = 3188313792. Its totient is φ = 1593031440.

The previous prime is 2390391217. The next prime is 2390391299. The reversal of 2390391249 is 9421930932.

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

It is not a de Polignac number, because 2390391249 - 2⁵ = 2390391217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2390391249.

It is not an unprimeable number, because it can be changed into a prime (2390391209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130669 + ... + 147834.

It is an arithmetic number, because the mean of its divisors is an integer number (398539224).

Almost surely, 2^2390391249 is an apocalyptic number.

It is an amenable number.

2390391249 is a deficient number, since it is larger than the sum of its proper divisors (797922543).

2390391249 is a wasteful number, since it uses less digits than its factorization.

2390391249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281367.

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 2390391249 is about 48891.6275961437. The cubic root of 2390391249 is about 1337.0767284854.

The spelling of 2390391249 in words is "two billion, three hundred ninety million, three hundred ninety-one thousand, two hundred forty-nine".