442206015355079 has 2 divisors, whose sum is σ = 442206015355080. Its totient is φ = 442206015355078.

The previous prime is 442206015355063. The next prime is 442206015355127. The reversal of 442206015355079 is 970553510602244.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442206015355079 - 2⁴ = 442206015355063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 442206015355079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442206015355009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221103007677539 + 221103007677540.

It is an arithmetic number, because the mean of its divisors is an integer number (221103007677540).

Almost surely, 2^{442206015355079} is an apocalyptic number.

442206015355079 is a deficient number, since it is larger than the sum of its proper divisors (1).

442206015355079 is an equidigital number, since it uses as much as digits as its factorization.

442206015355079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072000, while the sum is 53.

The spelling of 442206015355079 in words is "four hundred forty-two trillion, two hundred six billion, fifteen million, three hundred fifty-five thousand, seventy-nine".