42709341959 has 2 divisors, whose sum is σ = 42709341960. Its totient is φ = 42709341958.

The previous prime is 42709341949. The next prime is 42709342007. The reversal of 42709341959 is 95914390724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42709341959 - 2¹² = 42709337863 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42709341959.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42709341949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21354670979 + 21354670980.

It is an arithmetic number, because the mean of its divisors is an integer number (21354670980).

Almost surely, 2^42709341959 is an apocalyptic number.

42709341959 is a deficient number, since it is larger than the sum of its proper divisors (1).

42709341959 is an equidigital number, since it uses as much as digits as its factorization.

42709341959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 42709341959 in words is "forty-two billion, seven hundred nine million, three hundred forty-one thousand, nine hundred fifty-nine".