14381039549 has 2 divisors, whose sum is σ = 14381039550. Its totient is φ = 14381039548.

The previous prime is 14381039509. The next prime is 14381039579. The reversal of 14381039549 is 94593018341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14374331449 + 6708100 = 119893^2 + 2590^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14381039549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14381039509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7190519774 + 7190519775.

It is an arithmetic number, because the mean of its divisors is an integer number (7190519775).

Almost surely, 2^14381039549 is an apocalyptic number.

It is an amenable number.

14381039549 is a deficient number, since it is larger than the sum of its proper divisors (1).

14381039549 is an equidigital number, since it uses as much as digits as its factorization.

14381039549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 14381039549 in words is "fourteen billion, three hundred eighty-one million, thirty-nine thousand, five hundred forty-nine".