42728226599 has 2 divisors, whose sum is σ = 42728226600. Its totient is φ = 42728226598.

The previous prime is 42728226539. The next prime is 42728226601. The reversal of 42728226599 is 99562282724.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42728226599 is a prime.

It is a super-2 number, since 2×42728226599² (a number of 22 digits) contains 22 as substring.

Together with 42728226601, 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 (42728226539) 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, 21364113299 + 21364113300.

It is an arithmetic number, because the mean of its divisors is an integer number (21364113300).

Almost surely, 2^42728226599 is an apocalyptic number.

42728226599 is a deficient number, since it is larger than the sum of its proper divisors (1).

42728226599 is an equidigital number, since it uses as much as digits as its factorization.

42728226599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 56.

The spelling of 42728226599 in words is "forty-two billion, seven hundred twenty-eight million, two hundred twenty-six thousand, five hundred ninety-nine".