14939195081 has 2 divisors, whose sum is σ = 14939195082. Its totient is φ = 14939195080.

The previous prime is 14939195059. The next prime is 14939195107. The reversal of 14939195081 is 18059193941.

14939195081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12885655225 + 2053539856 = 113515^2 + 45316^2 .

It is a cyclic number.

It is not a de Polignac number, because 14939195081 - 2³⁰ = 13865453257 is a prime.

It is a super-2 number, since 2×14939195081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14939195021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7469597540 + 7469597541.

It is an arithmetic number, because the mean of its divisors is an integer number (7469597541).

Almost surely, 2^14939195081 is an apocalyptic number.

It is an amenable number.

14939195081 is a deficient number, since it is larger than the sum of its proper divisors (1).

14939195081 is an equidigital number, since it uses as much as digits as its factorization.

14939195081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 50.

The spelling of 14939195081 in words is "fourteen billion, nine hundred thirty-nine million, one hundred ninety-five thousand, eighty-one".