14395863949 has 2 divisors, whose sum is σ = 14395863950. Its totient is φ = 14395863948.

The previous prime is 14395863943. The next prime is 14395863961. The reversal of 14395863949 is 94936859341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8143799049 + 6252064900 = 90243^2 + 79070^2 .

It is a cyclic number.

It is not a de Polignac number, because 14395863949 - 2³ = 14395863941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14395863941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7197931974 + 7197931975.

It is an arithmetic number, because the mean of its divisors is an integer number (7197931975).

Almost surely, 2^14395863949 is an apocalyptic number.

It is an amenable number.

14395863949 is a deficient number, since it is larger than the sum of its proper divisors (1).

14395863949 is an equidigital number, since it uses as much as digits as its factorization.

14395863949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25194240, while the sum is 61.

The spelling of 14395863949 in words is "fourteen billion, three hundred ninety-five million, eight hundred sixty-three thousand, nine hundred forty-nine".