14489271491 has 2 divisors, whose sum is σ = 14489271492. Its totient is φ = 14489271490.

The previous prime is 14489271473. The next prime is 14489271497. The reversal of 14489271491 is 19417298441.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14489271491 is a prime.

It is not a weakly prime, because it can be changed into another prime (14489271497) 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, 7244635745 + 7244635746.

It is an arithmetic number, because the mean of its divisors is an integer number (7244635746).

Almost surely, 2^14489271491 is an apocalyptic number.

14489271491 is a deficient number, since it is larger than the sum of its proper divisors (1).

14489271491 is an equidigital number, since it uses as much as digits as its factorization.

14489271491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 50.

The spelling of 14489271491 in words is "fourteen billion, four hundred eighty-nine million, two hundred seventy-one thousand, four hundred ninety-one".