2134809618 has 8 divisors (see below), whose sum is σ = 4269619248. Its totient is φ = 711603204.

The previous prime is 2134809587. The next prime is 2134809623. The reversal of 2134809618 is 8169084312.

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

2134809618 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2134809618.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177900796 + ... + 177900807.

It is an arithmetic number, because the mean of its divisors is an integer number (533702406).

Almost surely, 2^2134809618 is an apocalyptic number.

2134809618 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2134809618 is a wasteful number, since it uses less digits than its factorization.

2134809618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355801608.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 2134809618 is about 46204.0000216431. Note that the first 4 decimals coincide. The cubic root of 2134809618 is about 1287.6160562489.

The spelling of 2134809618 in words is "two billion, one hundred thirty-four million, eight hundred nine thousand, six hundred eighteen".