18043134248 has 32 divisors (see below), whose sum is σ = 33944702400. Its totient is φ = 8991260928.

The previous prime is 18043134227. The next prime is 18043134269. The reversal of 18043134248 is 84243134081.

It is an interprime number because it is at equal distance from previous prime (18043134227) and next prime (18043134269).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4234343 + ... + 4238601.

It is an arithmetic number, because the mean of its divisors is an integer number (1060771950).

Almost surely, 2^18043134248 is an apocalyptic number.

It is an amenable number.

18043134248 is a deficient number, since it is larger than the sum of its proper divisors (15901568152).

18043134248 is a wasteful number, since it uses less digits than its factorization.

18043134248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5921 (or 5917 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The spelling of 18043134248 in words is "eighteen billion, forty-three million, one hundred thirty-four thousand, two hundred forty-eight".