442713619 has 2 divisors, whose sum is σ = 442713620. Its totient is φ = 442713618.

The previous prime is 442713589. The next prime is 442713653. The reversal of 442713619 is 916317244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442713619 - 2⁹ = 442713107 is a prime.

It is a super-2 number, since 2×442713619² = 391990696896154322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (442714619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221356809 + 221356810.

It is an arithmetic number, because the mean of its divisors is an integer number (221356810).

Almost surely, 2^442713619 is an apocalyptic number.

442713619 is a deficient number, since it is larger than the sum of its proper divisors (1).

442713619 is an equidigital number, since it uses as much as digits as its factorization.

442713619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 442713619 is about 21040.7608940361. The cubic root of 442713619 is about 762.1508893285.

The spelling of 442713619 in words is "four hundred forty-two million, seven hundred thirteen thousand, six hundred nineteen".