14244254981 has 4 divisors (see below), whose sum is σ = 15539187264. Its totient is φ = 12949322700.

The previous prime is 14244254929. The next prime is 14244255017. The reversal of 14244254981 is 18945244241.

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 a de Polignac number, because none of the positive numbers 2^k-14244254981 is a prime.

It is a super-2 number, since 2×14244254981² (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 (14244254681) 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, 647466125 + ... + 647466146.

It is an arithmetic number, because the mean of its divisors is an integer number (3884796816).

Almost surely, 2^14244254981 is an apocalyptic number.

14244254981 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14244254981 is a deficient number, since it is larger than the sum of its proper divisors (1294932283).

14244254981 is a wasteful number, since it uses less digits than its factorization.

14244254981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294932282.

The product of its digits is 368640, while the sum is 44.

The spelling of 14244254981 in words is "fourteen billion, two hundred forty-four million, two hundred fifty-four thousand, nine hundred eighty-one".