14985991886 has 4 divisors (see below), whose sum is σ = 22478987832. Its totient is φ = 7492995942.

The previous prime is 14985991879. The next prime is 14985991919. The reversal of 14985991886 is 68819958941.

It is a semiprime because it is the product of two primes.

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, 3746497970 + ... + 3746497973.

It is an arithmetic number, because the mean of its divisors is an integer number (5619746958).

Almost surely, 2^14985991886 is an apocalyptic number.

14985991886 is a deficient number, since it is larger than the sum of its proper divisors (7492995946).

14985991886 is an equidigital number, since it uses as much as digits as its factorization.

14985991886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7492995945.

The product of its digits is 44789760, while the sum is 68.

The spelling of 14985991886 in words is "fourteen billion, nine hundred eighty-five million, nine hundred ninety-one thousand, eight hundred eighty-six".