14344551421 has 8 divisors (see below), whose sum is σ = 14369355000. Its totient is φ = 14319771648.

The previous prime is 14344551409. The next prime is 14344551433. The reversal of 14344551421 is 12415544341.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (14344551409) and next prime (14344551433).

It can be written as a sum of positive squares in 4 ways, for example, as 1240025796 + 13104525625 = 35214^2 + 114475^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14344551421 - 2¹³ = 14344543229 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 (14344551121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1515315 + ... + 1524751.

It is an arithmetic number, because the mean of its divisors is an integer number (1796169375).

Almost surely, 2^14344551421 is an apocalyptic number.

It is an amenable number.

14344551421 is a deficient number, since it is larger than the sum of its proper divisors (24803579).

14344551421 is a wasteful number, since it uses less digits than its factorization.

14344551421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11903.

The product of its digits is 38400, while the sum is 34.

The spelling of 14344551421 in words is "fourteen billion, three hundred forty-four million, five hundred fifty-one thousand, four hundred twenty-one".