14999838989 has 8 divisors (see below), whose sum is σ = 15093180600. Its totient is φ = 14906658816.

The previous prime is 14999838979. The next prime is 14999839003. The reversal of 14999838989 is 98983899941.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9155236489 + 5844602500 = 95683^2 + 76450^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14999838989 - 2³² = 10704871693 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14999838929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148787 + ... + 228335.

It is an arithmetic number, because the mean of its divisors is an integer number (1886647575).

Almost surely, 2^14999838989 is an apocalyptic number.

It is an amenable number.

14999838989 is a deficient number, since it is larger than the sum of its proper divisors (93341611).

14999838989 is an equidigital number, since it uses as much as digits as its factorization.

14999838989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80719.

The product of its digits is 362797056, while the sum is 77.

The spelling of 14999838989 in words is "fourteen billion, nine hundred ninety-nine million, eight hundred thirty-eight thousand, nine hundred eighty-nine".