18209836130 has 16 divisors (see below), whose sum is σ = 33226716024. Its totient is φ = 7184154240.

The previous prime is 18209836129. The next prime is 18209836147. The reversal of 18209836130 is 3163890281.

It can be written as a sum of positive squares in 4 ways, for example, as 17541148249 + 668687881 = 132443^2 + 25859^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12471761 + ... + 12473220.

Almost surely, 2^18209836130 is an apocalyptic number.

18209836130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18209836130 is a deficient number, since it is larger than the sum of its proper divisors (15016879894).

18209836130 is a wasteful number, since it uses less digits than its factorization.

18209836130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24945061.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 18209836130 in words is "eighteen billion, two hundred nine million, eight hundred thirty-six thousand, one hundred thirty".