42910717043 has 2 divisors, whose sum is σ = 42910717044. Its totient is φ = 42910717042.

The previous prime is 42910717019. The next prime is 42910717061. The reversal of 42910717043 is 34071701924.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42910717043 - 2¹⁰ = 42910716019 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 42910716988 and 42910717006.

It is not a weakly prime, because it can be changed into another prime (42910717543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21455358521 + 21455358522.

It is an arithmetic number, because the mean of its divisors is an integer number (21455358522).

Almost surely, 2^42910717043 is an apocalyptic number.

42910717043 is a deficient number, since it is larger than the sum of its proper divisors (1).

42910717043 is an equidigital number, since it uses as much as digits as its factorization.

42910717043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The spelling of 42910717043 in words is "forty-two billion, nine hundred ten million, seven hundred seventeen thousand, forty-three".