14493972881 has 2 divisors, whose sum is σ = 14493972882. Its totient is φ = 14493972880.

The previous prime is 14493972839. The next prime is 14493972923. The reversal of 14493972881 is 18827939441.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (14493972839) and next prime (14493972923).

It can be written as a sum of positive squares in only one way, i.e., 14063825281 + 430147600 = 118591^2 + 20740^2 .

It is an emirp because it is prime and its reverse (18827939441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14493972881 is a prime.

It is a super-2 number, since 2×14493972881² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14493972281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7246986440 + 7246986441.

It is an arithmetic number, because the mean of its divisors is an integer number (7246986441).

Almost surely, 2^14493972881 is an apocalyptic number.

It is an amenable number.

14493972881 is a deficient number, since it is larger than the sum of its proper divisors (1).

14493972881 is an equidigital number, since it uses as much as digits as its factorization.

14493972881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 56.

The spelling of 14493972881 in words is "fourteen billion, four hundred ninety-three million, nine hundred seventy-two thousand, eight hundred eighty-one".