14619474018 has 18 divisors (see below), whose sum is σ = 31676638539. Its totient is φ = 4872987012.

The previous prime is 14619474011. The next prime is 14619474043. The reversal of 14619474018 is 81047491641.

14619474018 is a `hidden beast` number, since 14 + 619 + 4 + 7 + 4 + 0 + 18 = 666.

14619474018 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7309737009 + 7309737009 = 85497^2 + 85497^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=85497.

It is not an unprimeable number, because it can be changed into a prime (14619474011) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 498733 + ... + 527231.

Almost surely, 2^14619474018 is an apocalyptic number.

14619474018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

14619474018 is an abundant number, since it is smaller than the sum of its proper divisors (17057164521).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14619474018 is an frugal number, since it uses more digits than its factorization.

14619474018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57006 (or 28504 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 14619474018 in words is "fourteen billion, six hundred nineteen million, four hundred seventy-four thousand, eighteen".