42233303491 has 2 divisors, whose sum is σ = 42233303492. Its totient is φ = 42233303490.

The previous prime is 42233303297. The next prime is 42233303509. The reversal of 42233303491 is 19430333224.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42233303491 is a prime.

It is not a weakly prime, because it can be changed into another prime (42233301491) 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, 21116651745 + 21116651746.

It is an arithmetic number, because the mean of its divisors is an integer number (21116651746).

Almost surely, 2^42233303491 is an apocalyptic number.

42233303491 is a deficient number, since it is larger than the sum of its proper divisors (1).

42233303491 is an equidigital number, since it uses as much as digits as its factorization.

42233303491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 34.

The spelling of 42233303491 in words is "forty-two billion, two hundred thirty-three million, three hundred three thousand, four hundred ninety-one".