2189590250 has 16 divisors (see below), whose sum is σ = 4098913416. Its totient is φ = 875836000.

The previous prime is 2189590177. The next prime is 2189590253. The reversal of 2189590250 is 520959812.

It can be written as a sum of positive squares in 4 ways, for example, as 153685609 + 2035904641 = 12397^2 + 45121^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2189590198 and 2189590207.

It is not an unprimeable number, because it can be changed into a prime (2189590253) 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, 4378931 + ... + 4379430.

Almost surely, 2^2189590250 is an apocalyptic number.

2189590250 is a deficient number, since it is larger than the sum of its proper divisors (1909323166).

2189590250 is an equidigital number, since it uses as much as digits as its factorization.

2189590250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8758378 (or 8758368 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 2189590250 is about 46793.0577115879. The cubic root of 2189590250 is about 1298.5368647237.

The spelling of 2189590250 in words is "two billion, one hundred eighty-nine million, five hundred ninety thousand, two hundred fifty".