42868835831 has 2 divisors, whose sum is σ = 42868835832. Its totient is φ = 42868835830.

The previous prime is 42868835813. The next prime is 42868835833. The reversal of 42868835831 is 13853886824.

It is a happy number.

Together with previous prime (42868835813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42868835831 - 2²² = 42864641527 is a prime.

It is a super-2 number, since 2×42868835831² (a number of 22 digits) contains 22 as substring.

Together with 42868835833, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42868835833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21434417915 + 21434417916.

It is an arithmetic number, because the mean of its divisors is an integer number (21434417916).

Almost surely, 2^42868835831 is an apocalyptic number.

42868835831 is a deficient number, since it is larger than the sum of its proper divisors (1).

42868835831 is an equidigital number, since it uses as much as digits as its factorization.

42868835831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8847360, while the sum is 56.

The spelling of 42868835831 in words is "forty-two billion, eight hundred sixty-eight million, eight hundred thirty-five thousand, eight hundred thirty-one".