42867818519 has 2 divisors, whose sum is σ = 42867818520. Its totient is φ = 42867818518.

The previous prime is 42867818507. The next prime is 42867818533. The reversal of 42867818519 is 91581876824.

42867818519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42867818519 - 2²⁰ = 42866769943 is a prime.

It is a super-2 number, since 2×42867818519² (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 (42867818549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21433909259 + 21433909260.

It is an arithmetic number, because the mean of its divisors is an integer number (21433909260).

Almost surely, 2^42867818519 is an apocalyptic number.

42867818519 is a deficient number, since it is larger than the sum of its proper divisors (1).

42867818519 is an equidigital number, since it uses as much as digits as its factorization.

42867818519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7741440, while the sum is 59.

The spelling of 42867818519 in words is "forty-two billion, eight hundred sixty-seven million, eight hundred eighteen thousand, five hundred nineteen".