214424061991 has 2 divisors, whose sum is σ = 214424061992. Its totient is φ = 214424061990.

The previous prime is 214424061983. The next prime is 214424062129. The reversal of 214424061991 is 199160424412.

214424061991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214424061991 - 2³ = 214424061983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214424061931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107212030995 + 107212030996.

It is an arithmetic number, because the mean of its divisors is an integer number (107212030996).

Almost surely, 2^214424061991 is an apocalyptic number.

214424061991 is a deficient number, since it is larger than the sum of its proper divisors (1).

214424061991 is an equidigital number, since it uses as much as digits as its factorization.

214424061991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 214424061991 in words is "two hundred fourteen billion, four hundred twenty-four million, sixty-one thousand, nine hundred ninety-one".