14452012421 has 16 divisors (see below), whose sum is σ = 18385814400. Its totient is φ = 11261305440.

The previous prime is 14452012411. The next prime is 14452012451. The reversal of 14452012421 is 12421025441.

14452012421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-14452012421 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 (14452012411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1911416 + ... + 1918961.

It is an arithmetic number, because the mean of its divisors is an integer number (1149113400).

Almost surely, 2^14452012421 is an apocalyptic number.

14452012421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14452012421 is a deficient number, since it is larger than the sum of its proper divisors (3933801979).

14452012421 is an equidigital number, since it uses as much as digits as its factorization.

14452012421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3830409 (or 3830395 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 14452012421 its reverse (12421025441), we get a palindrome (26873037862).

The spelling of 14452012421 in words is "fourteen billion, four hundred fifty-two million, twelve thousand, four hundred twenty-one".