18967471201 has 6 divisors (see below), whose sum is σ = 22064201250. Its totient is φ = 16257832416.

The previous prime is 18967471181. The next prime is 18967471207. The reversal of 18967471201 is 10217476981.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15876000000 + 3091471201 = 126000^2 + 55601^2 .

It is not a de Polignac number, because 18967471201 - 2⁵ = 18967471169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18967471207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 193545576 + ... + 193545673.

It is an arithmetic number, because the mean of its divisors is an integer number (3677366875).

Almost surely, 2^18967471201 is an apocalyptic number.

It is an amenable number.

18967471201 is a deficient number, since it is larger than the sum of its proper divisors (3096730049).

18967471201 is an equidigital number, since it uses as much as digits as its factorization.

18967471201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387091263 (or 387091256 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 46.

The spelling of 18967471201 in words is "eighteen billion, nine hundred sixty-seven million, four hundred seventy-one thousand, two hundred one".