42522142991 has 2 divisors, whose sum is σ = 42522142992. Its totient is φ = 42522142990.

The previous prime is 42522142979. The next prime is 42522143039. The reversal of 42522142991 is 19924122524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42522142991 - 2¹⁰ = 42522141967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42522142951) 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, 21261071495 + 21261071496.

It is an arithmetic number, because the mean of its divisors is an integer number (21261071496).

Almost surely, 2^42522142991 is an apocalyptic number.

42522142991 is a deficient number, since it is larger than the sum of its proper divisors (1).

42522142991 is an equidigital number, since it uses as much as digits as its factorization.

42522142991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 41.

The spelling of 42522142991 in words is "forty-two billion, five hundred twenty-two million, one hundred forty-two thousand, nine hundred ninety-one".