442398605739 has 16 divisors (see below), whose sum is σ = 596526573600. Its totient is φ = 291601899776.

The previous prime is 442398605713. The next prime is 442398605819. The reversal of 442398605739 is 937506893244.

It is a cyclic number.

It is not a de Polignac number, because 442398605739 - 2⁷ = 442398605611 is a prime.

It is a super-2 number, since 2×442398605739² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (442398675739) 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, 6155737 + ... + 6227189.

It is an arithmetic number, because the mean of its divisors is an integer number (37282910850).

Almost surely, 2^442398605739 is an apocalyptic number.

442398605739 is a deficient number, since it is larger than the sum of its proper divisors (154127967861).

442398605739 is a wasteful number, since it uses less digits than its factorization.

442398605739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94734.

The product of its (nonzero) digits is 39191040, while the sum is 60.

The spelling of 442398605739 in words is "four hundred forty-two billion, three hundred ninety-eight million, six hundred five thousand, seven hundred thirty-nine".