14008837421 has 4 divisors (see below), whose sum is σ = 14013863100. Its totient is φ = 14003811744.

The previous prime is 14008837391. The next prime is 14008837429. The reversal of 14008837421 is 12473880041.

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 3479820100 + 10529017321 = 58990^2 + 102611^2 .

It is a cyclic number.

It is not a de Polignac number, because 14008837421 - 2⁶ = 14008837357 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 (14008837429) 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, 2508656 + ... + 2514233.

It is an arithmetic number, because the mean of its divisors is an integer number (3503465775).

Almost surely, 2^14008837421 is an apocalyptic number.

It is an amenable number.

14008837421 is a deficient number, since it is larger than the sum of its proper divisors (5025679).

14008837421 is an equidigital number, since it uses as much as digits as its factorization.

14008837421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5025678.

The product of its (nonzero) digits is 43008, while the sum is 38.

The spelling of 14008837421 in words is "fourteen billion, eight million, eight hundred thirty-seven thousand, four hundred twenty-one".