42869998499 has 2 divisors, whose sum is σ = 42869998500. Its totient is φ = 42869998498.

The previous prime is 42869998481. The next prime is 42869998529. The reversal of 42869998499 is 99489996824.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42869998499 is a prime.

It is not a weakly prime, because it can be changed into another prime (42869998439) 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, 21434999249 + 21434999250.

It is an arithmetic number, because the mean of its divisors is an integer number (21434999250).

Almost surely, 2^42869998499 is an apocalyptic number.

42869998499 is a deficient number, since it is larger than the sum of its proper divisors (1).

42869998499 is an equidigital number, since it uses as much as digits as its factorization.

42869998499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725594112, while the sum is 77.

The spelling of 42869998499 in words is "forty-two billion, eight hundred sixty-nine million, nine hundred ninety-eight thousand, four hundred ninety-nine".