14999021803 has 6 divisors (see below), whose sum is σ = 15498469932. Its totient is φ = 14515181460.

The previous prime is 14999021797. The next prime is 14999021833. The reversal of 14999021803 is 30812099941.

It is a happy number.

It is not a de Polignac number, because 14999021803 - 2²¹ = 14996924651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14999021833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7802901 + ... + 7804822.

It is an arithmetic number, because the mean of its divisors is an integer number (2583078322).

Almost surely, 2^14999021803 is an apocalyptic number.

14999021803 is a deficient number, since it is larger than the sum of its proper divisors (499448129).

14999021803 is an equidigital number, since it uses as much as digits as its factorization.

14999021803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15607785 (or 15607754 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 46.

The spelling of 14999021803 in words is "fourteen billion, nine hundred ninety-nine million, twenty-one thousand, eight hundred three".