42042211339 has 2 divisors, whose sum is σ = 42042211340. Its totient is φ = 42042211338.

The previous prime is 42042211307. The next prime is 42042211357. The reversal of 42042211339 is 93311224024.

42042211339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42042211339 - 2⁵ = 42042211307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42042211339.

It is not a weakly prime, because it can be changed into another prime (42042211039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21021105669 + 21021105670.

It is an arithmetic number, because the mean of its divisors is an integer number (21021105670).

Almost surely, 2^42042211339 is an apocalyptic number.

42042211339 is a deficient number, since it is larger than the sum of its proper divisors (1).

42042211339 is an equidigital number, since it uses as much as digits as its factorization.

42042211339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 42042211339 in words is "forty-two billion, forty-two million, two hundred eleven thousand, three hundred thirty-nine".