18034197436 has 12 divisors (see below), whose sum is σ = 31635170280. Its totient is φ = 8995577360.

The previous prime is 18034197409. The next prime is 18034197469. The reversal of 18034197436 is 63479143081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5378455 + ... + 5381806.

It is an arithmetic number, because the mean of its divisors is an integer number (2636264190).

Almost surely, 2^18034197436 is an apocalyptic number.

It is an amenable number.

18034197436 is a deficient number, since it is larger than the sum of its proper divisors (13600972844).

18034197436 is a wasteful number, since it uses less digits than its factorization.

18034197436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10760684 (or 10760682 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 18034197436 in words is "eighteen billion, thirty-four million, one hundred ninety-seven thousand, four hundred thirty-six".