14640324091 has 2 divisors, whose sum is σ = 14640324092. Its totient is φ = 14640324090.

The previous prime is 14640324071. The next prime is 14640324109. The reversal of 14640324091 is 19042304641.

Together with next prime (14640324109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14640324091 - 2⁷ = 14640323963 is a prime.

It is not a weakly prime, because it can be changed into another prime (14640324071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7320162045 + 7320162046.

It is an arithmetic number, because the mean of its divisors is an integer number (7320162046).

Almost surely, 2^14640324091 is an apocalyptic number.

14640324091 is a deficient number, since it is larger than the sum of its proper divisors (1).

14640324091 is an equidigital number, since it uses as much as digits as its factorization.

14640324091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 14640324091 in words is "fourteen billion, six hundred forty million, three hundred twenty-four thousand, ninety-one".