2159450259 has 16 divisors (see below), whose sum is σ = 2916853632. Its totient is φ = 1420875008.

The previous prime is 2159450257. The next prime is 2159450269. The reversal of 2159450259 is 9520549512.

It is a happy number.

It is not a de Polignac number, because 2159450259 - 2¹ = 2159450257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2159450259.

It is not an unprimeable number, because it can be changed into a prime (2159450257) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 285859 + ... + 293315.

It is an arithmetic number, because the mean of its divisors is an integer number (182303352).

Almost surely, 2^2159450259 is an apocalyptic number.

2159450259 is a deficient number, since it is larger than the sum of its proper divisors (757403373).

2159450259 is a wasteful number, since it uses less digits than its factorization.

2159450259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8706.

The product of its (nonzero) digits is 162000, while the sum is 42.

The square root of 2159450259 is about 46469.8855066375. The cubic root of 2159450259 is about 1292.5511397993.

The spelling of 2159450259 in words is "two billion, one hundred fifty-nine million, four hundred fifty thousand, two hundred fifty-nine".