18607104947 has 6 divisors (see below), whose sum is σ = 19637969868. Its totient is φ = 17627783292.

The previous prime is 18607104941. The next prime is 18607104991. The reversal of 18607104947 is 74940170681.

It is a happy number.

It is not a de Polignac number, because 18607104947 - 2⁴ = 18607104931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18607104941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25771253 + ... + 25771974.

It is an arithmetic number, because the mean of its divisors is an integer number (3272994978).

Almost surely, 2^18607104947 is an apocalyptic number.

18607104947 is a deficient number, since it is larger than the sum of its proper divisors (1030864921).

18607104947 is an equidigital number, since it uses as much as digits as its factorization.

18607104947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51543265 (or 51543246 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 47.

The spelling of 18607104947 in words is "eighteen billion, six hundred seven million, one hundred four thousand, nine hundred forty-seven".