18035394317 has 12 divisors (see below), whose sum is σ = 18873208704. Its totient is φ = 17233337880.

The previous prime is 18035394287. The next prime is 18035394319. The reversal of 18035394317 is 71349353081.

It is not a de Polignac number, because 18035394317 - 2¹⁴ = 18035377933 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 (18035394319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 507038 + ... + 541440.

It is an arithmetic number, because the mean of its divisors is an integer number (1572767392).

Almost surely, 2^18035394317 is an apocalyptic number.

It is an amenable number.

18035394317 is a deficient number, since it is larger than the sum of its proper divisors (837814387).

18035394317 is an equidigital number, since it uses as much as digits as its factorization.

18035394317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35440 (or 35417 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 18035394317 in words is "eighteen billion, thirty-five million, three hundred ninety-four thousand, three hundred seventeen".