14971028893091 has 2 divisors, whose sum is σ = 14971028893092. Its totient is φ = 14971028893090.

The previous prime is 14971028893081. The next prime is 14971028893201. The reversal of 14971028893091 is 19039882017941.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14971028893091 is a prime.

It is a super-2 number, since 2×14971028893091² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14971028893081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7485514446545 + 7485514446546.

It is an arithmetic number, because the mean of its divisors is an integer number (7485514446546).

Almost surely, 2^{14971028893091} is an apocalyptic number.

14971028893091 is a deficient number, since it is larger than the sum of its proper divisors (1).

14971028893091 is an equidigital number, since it uses as much as digits as its factorization.

14971028893091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7838208, while the sum is 62.

The spelling of 14971028893091 in words is "fourteen trillion, nine hundred seventy-one billion, twenty-eight million, eight hundred ninety-three thousand, ninety-one".