14309673949 has 2 divisors, whose sum is σ = 14309673950. Its totient is φ = 14309673948.

The previous prime is 14309673947. The next prime is 14309673967. The reversal of 14309673949 is 94937690341.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8534433924 + 5775240025 = 92382^2 + 75995^2 .

It is a cyclic number.

It is not a de Polignac number, because 14309673949 - 2¹ = 14309673947 is a prime.

Together with 14309673947, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 14309673949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14309673947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7154836974 + 7154836975.

It is an arithmetic number, because the mean of its divisors is an integer number (7154836975).

Almost surely, 2^14309673949 is an apocalyptic number.

It is an amenable number.

14309673949 is a deficient number, since it is larger than the sum of its proper divisors (1).

14309673949 is an equidigital number, since it uses as much as digits as its factorization.

14309673949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4408992, while the sum is 55.

The spelling of 14309673949 in words is "fourteen billion, three hundred nine million, six hundred seventy-three thousand, nine hundred forty-nine".