42331991967611 has 2 divisors, whose sum is σ = 42331991967612. Its totient is φ = 42331991967610.

The previous prime is 42331991967593. The next prime is 42331991967613. The reversal of 42331991967611 is 11676919913324.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42331991967611 is a prime.

Together with 42331991967613, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42331991967613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21165995983805 + 21165995983806.

It is an arithmetic number, because the mean of its divisors is an integer number (21165995983806).

Almost surely, 2^{42331991967611} is an apocalyptic number.

42331991967611 is a deficient number, since it is larger than the sum of its proper divisors (1).

42331991967611 is an equidigital number, since it uses as much as digits as its factorization.

42331991967611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13226976, while the sum is 62.

The spelling of 42331991967611 in words is "forty-two trillion, three hundred thirty-one billion, nine hundred ninety-one million, nine hundred sixty-seven thousand, six hundred eleven".