4140424141991 has 2 divisors, whose sum is σ = 4140424141992. Its totient is φ = 4140424141990.

The previous prime is 4140424141979. The next prime is 4140424142053. The reversal of 4140424141991 is 1991414240414.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4140424141991 is a prime.

It is a super-2 number, since 2×4140424141991² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4140424141291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2070212070995 + 2070212070996.

It is an arithmetic number, because the mean of its divisors is an integer number (2070212070996).

Almost surely, 2^{4140424141991} is an apocalyptic number.

4140424141991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4140424141991 is an equidigital number, since it uses as much as digits as its factorization.

4140424141991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 4140424141991 in words is "four trillion, one hundred forty billion, four hundred twenty-four million, one hundred forty-one thousand, nine hundred ninety-one".