14518444387 has 2 divisors, whose sum is σ = 14518444388. Its totient is φ = 14518444386.

The previous prime is 14518444373. The next prime is 14518444403. The reversal of 14518444387 is 78344481541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14518444387 - 2³¹ = 12370960739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14518444387.

It is not a weakly prime, because it can be changed into another prime (14518442387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7259222193 + 7259222194.

It is an arithmetic number, because the mean of its divisors is an integer number (7259222194).

Almost surely, 2^14518444387 is an apocalyptic number.

14518444387 is a deficient number, since it is larger than the sum of its proper divisors (1).

14518444387 is an equidigital number, since it uses as much as digits as its factorization.

14518444387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1720320, while the sum is 49.

The spelling of 14518444387 in words is "fourteen billion, five hundred eighteen million, four hundred forty-four thousand, three hundred eighty-seven".