13985494147 has 2 divisors, whose sum is σ = 13985494148. Its totient is φ = 13985494146.

The previous prime is 13985494129. The next prime is 13985494189. The reversal of 13985494147 is 74149458931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13985494147 - 2¹¹ = 13985492099 is a prime.

It is not a weakly prime, because it can be changed into another prime (13985491147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6992747073 + 6992747074.

It is an arithmetic number, because the mean of its divisors is an integer number (6992747074).

Almost surely, 2^13985494147 is an apocalyptic number.

13985494147 is a deficient number, since it is larger than the sum of its proper divisors (1).

13985494147 is an equidigital number, since it uses as much as digits as its factorization.

13985494147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4354560, while the sum is 55.

The spelling of 13985494147 in words is "thirteen billion, nine hundred eighty-five million, four hundred ninety-four thousand, one hundred forty-seven".