14981047994 has 24 divisors (see below), whose sum is σ = 25225712064. Its totient is φ = 6664677800.

The previous prime is 14981047967. The next prime is 14981048021. The reversal of 14981047994 is 49974018941.

It is an interprime number because it is at equal distance from previous prime (14981047967) and next prime (14981048021).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 647192 + ... + 669939.

It is an arithmetic number, because the mean of its divisors is an integer number (1051071336).

Almost surely, 2^14981047994 is an apocalyptic number.

14981047994 is a deficient number, since it is larger than the sum of its proper divisors (10244664070).

14981047994 is a wasteful number, since it uses less digits than its factorization.

14981047994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317202 (or 1317191 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 56.

The spelling of 14981047994 in words is "fourteen billion, nine hundred eighty-one million, forty-seven thousand, nine hundred ninety-four".