42709342007 has 2 divisors, whose sum is σ = 42709342008. Its totient is φ = 42709342006.

The previous prime is 42709341959. The next prime is 42709342019. The reversal of 42709342007 is 70024390724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42709342007 - 2⁸ = 42709341751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42709342037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21354671003 + 21354671004.

It is an arithmetic number, because the mean of its divisors is an integer number (21354671004).

Almost surely, 2^42709342007 is an apocalyptic number.

42709342007 is a deficient number, since it is larger than the sum of its proper divisors (1).

42709342007 is an equidigital number, since it uses as much as digits as its factorization.

42709342007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 38.

The spelling of 42709342007 in words is "forty-two billion, seven hundred nine million, three hundred forty-two thousand, seven".