2189597315 has 8 divisors (see below), whose sum is σ = 2632871088. Its totient is φ = 1748108320.

The previous prime is 2189597243. The next prime is 2189597317. The reversal of 2189597315 is 5137959812.

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

It is not a de Polignac number, because 2189597315 - 2²⁸ = 1921161859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2189597317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443492 + ... + 448401.

It is an arithmetic number, because the mean of its divisors is an integer number (329108886).

Almost surely, 2^2189597315 is an apocalyptic number.

2189597315 is a deficient number, since it is larger than the sum of its proper divisors (443273773).

2189597315 is an equidigital number, since it uses as much as digits as its factorization.

2189597315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892389.

The product of its digits is 680400, while the sum is 50.

The square root of 2189597315 is about 46793.1332034947. The cubic root of 2189597315 is about 1298.5382613554.

The spelling of 2189597315 in words is "two billion, one hundred eighty-nine million, five hundred ninety-seven thousand, three hundred fifteen".