18129025703 has 8 divisors (see below), whose sum is σ = 18232971120. Its totient is φ = 18025122240.

The previous prime is 18129025699. The next prime is 18129025727. The reversal of 18129025703 is 30752092181.

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

It is a cyclic number.

It is not a de Polignac number, because 18129025703 - 2² = 18129025699 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18129025303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1364828 + ... + 1378046.

It is an arithmetic number, because the mean of its divisors is an integer number (2279121390).

Almost surely, 2^18129025703 is an apocalyptic number.

18129025703 is a deficient number, since it is larger than the sum of its proper divisors (103945417).

18129025703 is a wasteful number, since it uses less digits than its factorization.

18129025703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20977.

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 18129025703 in words is "eighteen billion, one hundred twenty-nine million, twenty-five thousand, seven hundred three".