442748015179 has 2 divisors, whose sum is σ = 442748015180. Its totient is φ = 442748015178.

The previous prime is 442748015153. The next prime is 442748015197. The reversal of 442748015179 is 971510847244.

Together with next prime (442748015197) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442748015179 - 2¹⁹ = 442747490891 is a prime.

It is not a weakly prime, because it can be changed into another prime (442748019179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221374007589 + 221374007590.

It is an arithmetic number, because the mean of its divisors is an integer number (221374007590).

Almost surely, 2^442748015179 is an apocalyptic number.

442748015179 is a deficient number, since it is larger than the sum of its proper divisors (1).

442748015179 is an equidigital number, since it uses as much as digits as its factorization.

442748015179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2257920, while the sum is 52.

The spelling of 442748015179 in words is "four hundred forty-two billion, seven hundred forty-eight million, fifteen thousand, one hundred seventy-nine".