14886209917 has 4 divisors (see below), whose sum is σ = 15033598236. Its totient is φ = 14738821600.

The previous prime is 14886209911. The next prime is 14886209957. The reversal of 14886209917 is 71990268841.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9773101881 + 5113108036 = 98859^2 + 71506^2 .

It is a cyclic number.

It is not a de Polignac number, because 14886209917 - 2³ = 14886209909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14886209911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73694008 + ... + 73694209.

It is an arithmetic number, because the mean of its divisors is an integer number (3758399559).

Almost surely, 2^14886209917 is an apocalyptic number.

It is an amenable number.

14886209917 is a deficient number, since it is larger than the sum of its proper divisors (147388319).

14886209917 is a wasteful number, since it uses less digits than its factorization.

14886209917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147388318.

The product of its (nonzero) digits is 1741824, while the sum is 55.

The spelling of 14886209917 in words is "fourteen billion, eight hundred eighty-six million, two hundred nine thousand, nine hundred seventeen".