42910717019 has 2 divisors, whose sum is σ = 42910717020. Its totient is φ = 42910717018.

The previous prime is 42910717001. The next prime is 42910717043. The reversal of 42910717019 is 91071701924.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42910717019 is a prime.

It is a super-2 number, since 2×42910717019² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42910717099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21455358509 + 21455358510.

It is an arithmetic number, because the mean of its divisors is an integer number (21455358510).

Almost surely, 2^42910717019 is an apocalyptic number.

42910717019 is a deficient number, since it is larger than the sum of its proper divisors (1).

42910717019 is an equidigital number, since it uses as much as digits as its factorization.

42910717019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 41.

The spelling of 42910717019 in words is "forty-two billion, nine hundred ten million, seven hundred seventeen thousand, nineteen".