18429815119 has 4 divisors (see below), whose sum is σ = 18532775160. Its totient is φ = 18326855080.

The previous prime is 18429815101. The next prime is 18429815197. The reversal of 18429815119 is 91151892481.

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

It is a cyclic number.

It is not a de Polignac number, because 18429815119 - 2⁹ = 18429814607 is a prime.

It is a super-2 number, since 2×18429815119² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18429815219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51479752 + ... + 51480109.

It is an arithmetic number, because the mean of its divisors is an integer number (4633193790).

Almost surely, 2^18429815119 is an apocalyptic number.

18429815119 is a deficient number, since it is larger than the sum of its proper divisors (102960041).

18429815119 is a wasteful number, since it uses less digits than its factorization.

18429815119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102960040.

The product of its digits is 207360, while the sum is 49.

The spelling of 18429815119 in words is "eighteen billion, four hundred twenty-nine million, eight hundred fifteen thousand, one hundred nineteen".