18103770289 has 16 divisors (see below), whose sum is σ = 20475457920. Its totient is φ = 15855557760.

The previous prime is 18103770253. The next prime is 18103770313. The reversal of 18103770289 is 98207730181.

It is a cyclic number.

It is not a de Polignac number, because 18103770289 - 2⁷ = 18103770161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18103770239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83692 + ... + 207874.

It is an arithmetic number, because the mean of its divisors is an integer number (1279716120).

Almost surely, 2^18103770289 is an apocalyptic number.

It is an amenable number.

18103770289 is a deficient number, since it is larger than the sum of its proper divisors (2371687631).

18103770289 is a wasteful number, since it uses less digits than its factorization.

18103770289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124680.

The product of its (nonzero) digits is 169344, while the sum is 46.

The spelling of 18103770289 in words is "eighteen billion, one hundred three million, seven hundred seventy thousand, two hundred eighty-nine".