14918989648 has 10 divisors (see below), whose sum is σ = 28905542474. Its totient is φ = 7459494816.

The previous prime is 14918989607. The next prime is 14918989667. The reversal of 14918989648 is 84698981941.

It can be written as a sum of positive squares in only one way, i.e., 14793370384 + 125619264 = 121628^2 + 11208^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 466218411 + ... + 466218442.

Almost surely, 2^14918989648 is an apocalyptic number.

It is an amenable number.

14918989648 is a deficient number, since it is larger than the sum of its proper divisors (13986552826).

14918989648 is an equidigital number, since it uses as much as digits as its factorization.

14918989648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932436861 (or 932436855 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 67.

The spelling of 14918989648 in words is "fourteen billion, nine hundred eighteen million, nine hundred eighty-nine thousand, six hundred forty-eight".