42334210291 has 2 divisors, whose sum is σ = 42334210292. Its totient is φ = 42334210290.

The previous prime is 42334210283. The next prime is 42334210307. The reversal of 42334210291 is 19201243324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42334210291 - 2³ = 42334210283 is a prime.

It is a super-2 number, since 2×42334210291² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42334210091) 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, 21167105145 + 21167105146.

It is an arithmetic number, because the mean of its divisors is an integer number (21167105146).

Almost surely, 2^42334210291 is an apocalyptic number.

42334210291 is a deficient number, since it is larger than the sum of its proper divisors (1).

42334210291 is an equidigital number, since it uses as much as digits as its factorization.

42334210291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 42334210291 in words is "forty-two billion, three hundred thirty-four million, two hundred ten thousand, two hundred ninety-one".