13727049985 has 16 divisors (see below), whose sum is σ = 18915744960. Its totient is φ = 9457871040.

The previous prime is 13727049967. The next prime is 13727050031. The reversal of 13727049985 is 58994072731.

It is a happy number.

It is not a de Polignac number, because 13727049985 - 2⁹ = 13727049473 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

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, 6566922 + ... + 6569011.

It is an arithmetic number, because the mean of its divisors is an integer number (1182234060).

Almost surely, 2^13727049985 is an apocalyptic number.

It is an amenable number.

13727049985 is a deficient number, since it is larger than the sum of its proper divisors (5188694975).

13727049985 is a wasteful number, since it uses less digits than its factorization.

13727049985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13135968.

The product of its (nonzero) digits is 3810240, while the sum is 55.

The spelling of 13727049985 in words is "thirteen billion, seven hundred twenty-seven million, forty-nine thousand, nine hundred eighty-five".