442314613 has 16 divisors (see below), whose sum is σ = 490280560. Its totient is φ = 396389376.

The previous prime is 442314611. The next prime is 442314643. The reversal of 442314613 is 316413244.

It can be written as a sum of positive squares in 8 ways, for example, as 16016004 + 426298609 = 4002^2 + 20647^2 .

It is a cyclic number.

It is not a de Polignac number, because 442314613 - 2¹ = 442314611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442314611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340381 + ... + 341677.

It is an arithmetic number, because the mean of its divisors is an integer number (30642535).

Almost surely, 2^442314613 is an apocalyptic number.

It is an amenable number.

442314613 is a deficient number, since it is larger than the sum of its proper divisors (47965947).

442314613 is a wasteful number, since it uses less digits than its factorization.

442314613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056.

The product of its digits is 6912, while the sum is 28.

The square root of 442314613 is about 21031.2770178133. The cubic root of 442314613 is about 761.9218517368.

Adding to 442314613 its reverse (316413244), we get a palindrome (758727857).

The spelling of 442314613 in words is "four hundred forty-two million, three hundred fourteen thousand, six hundred thirteen".