14571014421 has 4 divisors (see below), whose sum is σ = 19428019232. Its totient is φ = 9714009612.

The previous prime is 14571014387. The next prime is 14571014431. The reversal of 14571014421 is 12441017541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 14571014421 - 2¹⁰ = 14571013397 is a prime.

It is a super-2 number, since 2×14571014421² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14571014431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2428502401 + ... + 2428502406.

It is an arithmetic number, because the mean of its divisors is an integer number (4857004808).

Almost surely, 2^14571014421 is an apocalyptic number.

It is an amenable number.

14571014421 is a deficient number, since it is larger than the sum of its proper divisors (4857004811).

14571014421 is an equidigital number, since it uses as much as digits as its factorization.

14571014421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4857004810.

The product of its (nonzero) digits is 4480, while the sum is 30.

The spelling of 14571014421 in words is "fourteen billion, five hundred seventy-one million, fourteen thousand, four hundred twenty-one".