42435865319 has 2 divisors, whose sum is σ = 42435865320. Its totient is φ = 42435865318.

The previous prime is 42435865289. The next prime is 42435865357. The reversal of 42435865319 is 91356853424.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42435865319 is a prime.

It is a super-2 number, since 2×42435865319² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42435865369) 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, 21217932659 + 21217932660.

It is an arithmetic number, because the mean of its divisors is an integer number (21217932660).

Almost surely, 2^42435865319 is an apocalyptic number.

42435865319 is a deficient number, since it is larger than the sum of its proper divisors (1).

42435865319 is an equidigital number, since it uses as much as digits as its factorization.

42435865319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3110400, while the sum is 50.

The spelling of 42435865319 in words is "forty-two billion, four hundred thirty-five million, eight hundred sixty-five thousand, three hundred nineteen".