2152387898 has 16 divisors (see below), whose sum is σ = 3246480000. Its totient is φ = 1070242992.

The previous prime is 2152387883. The next prime is 2152387903. The reversal of 2152387898 is 8987832512.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318923 + ... + 325601.

It is an arithmetic number, because the mean of its divisors is an integer number (202905000).

Almost surely, 2^2152387898 is an apocalyptic number.

2152387898 is a deficient number, since it is larger than the sum of its proper divisors (1094092102).

2152387898 is a wasteful number, since it uses less digits than its factorization.

2152387898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7549.

The product of its digits is 1935360, while the sum is 53.

The square root of 2152387898 is about 46393.8346981579. The cubic root of 2152387898 is about 1291.1405288938.

The spelling of 2152387898 in words is "two billion, one hundred fifty-two million, three hundred eighty-seven thousand, eight hundred ninety-eight".