14845191971 has 2 divisors, whose sum is σ = 14845191972. Its totient is φ = 14845191970.

The previous prime is 14845191961. The next prime is 14845192009. The reversal of 14845191971 is 17919154841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14845191971 - 2²² = 14840997667 is a prime.

It is not a weakly prime, because it can be changed into another prime (14845191961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7422595985 + 7422595986.

It is an arithmetic number, because the mean of its divisors is an integer number (7422595986).

Almost surely, 2^14845191971 is an apocalyptic number.

14845191971 is a deficient number, since it is larger than the sum of its proper divisors (1).

14845191971 is an equidigital number, since it uses as much as digits as its factorization.

14845191971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 50.

The spelling of 14845191971 in words is "fourteen billion, eight hundred forty-five million, one hundred ninety-one thousand, nine hundred seventy-one".