2102459187 has 18 divisors (see below), whose sum is σ = 2933008036. Its totient is φ = 1339533800.

The previous prime is 2102459179. The next prime is 2102459201. The reversal of 2102459187 is 7819542012.

It is not a de Polignac number, because 2102459187 - 2³ = 2102459179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102459137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1826062 + ... + 1827212.

Almost surely, 2^2102459187 is an apocalyptic number.

2102459187 is a deficient number, since it is larger than the sum of its proper divisors (830548849).

2102459187 is an frugal number, since it uses more digits than its factorization.

2102459187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351 (or 1177 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 2102459187 is about 45852.5810287709. The cubic root of 2102459187 is about 1281.0788404096.

The spelling of 2102459187 in words is "two billion, one hundred two million, four hundred fifty-nine thousand, one hundred eighty-seven".