42861467899 has 2 divisors, whose sum is σ = 42861467900. Its totient is φ = 42861467898.

The previous prime is 42861467897. The next prime is 42861467911. The reversal of 42861467899 is 99876416824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42861467899 - 2¹ = 42861467897 is a prime.

Together with 42861467897, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 42861467899.

It is not a weakly prime, because it can be changed into another prime (42861467893) 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, 21430733949 + 21430733950.

It is an arithmetic number, because the mean of its divisors is an integer number (21430733950).

Almost surely, 2^42861467899 is an apocalyptic number.

42861467899 is a deficient number, since it is larger than the sum of its proper divisors (1).

42861467899 is an equidigital number, since it uses as much as digits as its factorization.

42861467899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41803776, while the sum is 64.

The spelling of 42861467899 in words is "forty-two billion, eight hundred sixty-one million, four hundred sixty-seven thousand, eight hundred ninety-nine".