18135411830 has 8 divisors (see below), whose sum is σ = 32643741312. Its totient is φ = 7254164728.

The previous prime is 18135411829. The next prime is 18135411881. The reversal of 18135411830 is 3811453181.

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

It is a congruent number.

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, 906770582 + ... + 906770601.

It is an arithmetic number, because the mean of its divisors is an integer number (4080467664).

Almost surely, 2^18135411830 is an apocalyptic number.

18135411830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18135411830 is a deficient number, since it is larger than the sum of its proper divisors (14508329482).

18135411830 is a wasteful number, since it uses less digits than its factorization.

18135411830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813541190.

The product of its (nonzero) digits is 11520, while the sum is 35.

The spelling of 18135411830 in words is "eighteen billion, one hundred thirty-five million, four hundred eleven thousand, eight hundred thirty".