18789129214 has 4 divisors (see below), whose sum is σ = 28183693824. Its totient is φ = 9394564606.

The previous prime is 18789129209. The next prime is 18789129223. The reversal of 18789129214 is 41292198781.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4697282302 + ... + 4697282305.

It is an arithmetic number, because the mean of its divisors is an integer number (7045923456).

Almost surely, 2^18789129214 is an apocalyptic number.

18789129214 is a deficient number, since it is larger than the sum of its proper divisors (9394564610).

18789129214 is an equidigital number, since it uses as much as digits as its factorization.

18789129214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9394564609.

The product of its digits is 580608, while the sum is 52.

The spelling of 18789129214 in words is "eighteen billion, seven hundred eighty-nine million, one hundred twenty-nine thousand, two hundred fourteen".