14403486921 has 16 divisors (see below), whose sum is σ = 20458986240. Its totient is φ = 8987334480.

The previous prime is 14403486913. The next prime is 14403486931. The reversal of 14403486921 is 12968430441.

It is not a de Polignac number, because 14403486921 - 2³ = 14403486913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14403486931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1517515 + ... + 1526976.

It is an arithmetic number, because the mean of its divisors is an integer number (1278686640).

Almost surely, 2^14403486921 is an apocalyptic number.

It is an amenable number.

14403486921 is a deficient number, since it is larger than the sum of its proper divisors (6055499319).

14403486921 is a wasteful number, since it uses less digits than its factorization.

14403486921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3044596.

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 14403486921 in words is "fourteen billion, four hundred three million, four hundred eighty-six thousand, nine hundred twenty-one".