14106291421 has 4 divisors (see below), whose sum is σ = 14316833152. Its totient is φ = 13895749692.

The previous prime is 14106291413. The next prime is 14106291443. The reversal of 14106291421 is 12419260141.

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 a cyclic number.

It is not a de Polignac number, because 14106291421 - 2³ = 14106291413 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 (14106291401) 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 3 ways as a sum of consecutive naturals, for example, 105270765 + ... + 105270898.

It is an arithmetic number, because the mean of its divisors is an integer number (3579208288).

Almost surely, 2^14106291421 is an apocalyptic number.

It is an amenable number.

14106291421 is a deficient number, since it is larger than the sum of its proper divisors (210541731).

14106291421 is an equidigital number, since it uses as much as digits as its factorization.

14106291421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210541730.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 14106291421 in words is "fourteen billion, one hundred six million, two hundred ninety-one thousand, four hundred twenty-one".