18458376848 has 10 divisors (see below), whose sum is σ = 35763105174. Its totient is φ = 9229188416.

The previous prime is 18458376847. The next prime is 18458376851. The reversal of 18458376848 is 84867385481.

It can be written as a sum of positive squares in only one way, i.e., 12005146624 + 6453230224 = 109568^2 + 80332^2 .

It is not an unprimeable number, because it can be changed into a prime (18458376847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576824261 + ... + 576824292.

Almost surely, 2^18458376848 is an apocalyptic number.

It is an amenable number.

18458376848 is a deficient number, since it is larger than the sum of its proper divisors (17304728326).

18458376848 is a wasteful number, since it uses less digits than its factorization.

18458376848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153648561 (or 1153648555 counting only the distinct ones).

The product of its digits is 41287680, while the sum is 62.

The spelling of 18458376848 in words is "eighteen billion, four hundred fifty-eight million, three hundred seventy-six thousand, eight hundred forty-eight".