13949522339 has 2 divisors, whose sum is σ = 13949522340. Its totient is φ = 13949522338.

The previous prime is 13949522317. The next prime is 13949522369. The reversal of 13949522339 is 93322594931.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13949522339 is a prime.

It is not a weakly prime, because it can be changed into another prime (13949522369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6974761169 + 6974761170.

It is an arithmetic number, because the mean of its divisors is an integer number (6974761170).

Almost surely, 2^13949522339 is an apocalyptic number.

13949522339 is a deficient number, since it is larger than the sum of its proper divisors (1).

13949522339 is an equidigital number, since it uses as much as digits as its factorization.

13949522339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1574640, while the sum is 50.

The spelling of 13949522339 in words is "thirteen billion, nine hundred forty-nine million, five hundred twenty-two thousand, three hundred thirty-nine".