42163339 has 2 divisors, whose sum is σ = 42163340. Its totient is φ = 42163338.

The previous prime is 42163333. The next prime is 42163357. The reversal of 42163339 is 93336124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42163339 - 2¹³ = 42155147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42163339.

It is not a weakly prime, because it can be changed into another prime (42163333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21081669 + 21081670.

It is an arithmetic number, because the mean of its divisors is an integer number (21081670).

Almost surely, 2^42163339 is an apocalyptic number.

42163339 is a deficient number, since it is larger than the sum of its proper divisors (1).

42163339 is an equidigital number, since it uses as much as digits as its factorization.

42163339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 31.

The square root of 42163339 is about 6493.3303473641. The cubic root of 42163339 is about 348.0526932804.

The spelling of 42163339 in words is "forty-two million, one hundred sixty-three thousand, three hundred thirty-nine".