14240244021491 has 2 divisors, whose sum is σ = 14240244021492. Its totient is φ = 14240244021490.

The previous prime is 14240244021469. The next prime is 14240244021533. The reversal of 14240244021491 is 19412044204241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14240244021491 - 2³⁴ = 14223064152307 is a prime.

It is a super-2 number, since 2×14240244021491² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14240244027491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7120122010745 + 7120122010746.

It is an arithmetic number, because the mean of its divisors is an integer number (7120122010746).

Almost surely, 2^{14240244021491} is an apocalyptic number.

14240244021491 is a deficient number, since it is larger than the sum of its proper divisors (1).

14240244021491 is an equidigital number, since it uses as much as digits as its factorization.

14240244021491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73728, while the sum is 38.

The spelling of 14240244021491 in words is "fourteen trillion, two hundred forty billion, two hundred forty-four million, twenty-one thousand, four hundred ninety-one".