13994714985 has 16 divisors (see below), whose sum is σ = 22436072064. Its totient is φ = 7449005312.

The previous prime is 13994714953. The next prime is 13994715001. The reversal of 13994714985 is 58941749931.

It is a cyclic number.

It is not a de Polignac number, because 13994714985 - 2⁵ = 13994714953 is a prime.

It is a super-2 number, since 2×13994714985² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 919872 + ... + 934961.

It is an arithmetic number, because the mean of its divisors is an integer number (1402254504).

Almost surely, 2^13994714985 is an apocalyptic number.

13994714985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13994714985 is a deficient number, since it is larger than the sum of its proper divisors (8441357079).

13994714985 is a wasteful number, since it uses less digits than its factorization.

13994714985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855344.

The product of its digits is 9797760, while the sum is 60.

The spelling of 13994714985 in words is "thirteen billion, nine hundred ninety-four million, seven hundred fourteen thousand, nine hundred eighty-five".