18102334129 has 4 divisors (see below), whose sum is σ = 19748000880. Its totient is φ = 16456667380.

The previous prime is 18102334127. The next prime is 18102334139. The reversal of 18102334129 is 92143320181.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92143320181 = 11 ⋅8376665471.

It is a cyclic number.

It is not a de Polignac number, because 18102334129 - 2¹ = 18102334127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18102334094 and 18102334103.

It is not an unprimeable number, because it can be changed into a prime (18102334121) 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, 822833359 + ... + 822833380.

It is an arithmetic number, because the mean of its divisors is an integer number (4937000220).

Almost surely, 2^18102334129 is an apocalyptic number.

It is an amenable number.

18102334129 is a deficient number, since it is larger than the sum of its proper divisors (1645666751).

18102334129 is a wasteful number, since it uses less digits than its factorization.

18102334129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645666750.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 18102334129 in words is "eighteen billion, one hundred two million, three hundred thirty-four thousand, one hundred twenty-nine".