442012079 has 2 divisors, whose sum is σ = 442012080. Its totient is φ = 442012078.

The previous prime is 442012069. The next prime is 442012117. The reversal of 442012079 is 970210244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442012079 - 2⁴ = 442012063 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442012049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221006039 + 221006040.

It is an arithmetic number, because the mean of its divisors is an integer number (221006040).

Almost surely, 2^442012079 is an apocalyptic number.

442012079 is a deficient number, since it is larger than the sum of its proper divisors (1).

442012079 is an equidigital number, since it uses as much as digits as its factorization.

442012079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 442012079 is about 21024.0833093859. The cubic root of 442012079 is about 761.7480992140.

The spelling of 442012079 in words is "four hundred forty-two million, twelve thousand, seventy-nine".