442656446313 has 16 divisors (see below), whose sum is σ = 636717822336. Its totient is φ = 272504743680.

The previous prime is 442656446311. The next prime is 442656446321. The reversal of 442656446313 is 313644656244.

It is not a de Polignac number, because 442656446313 - 2¹ = 442656446311 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (442656446311) 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, 81879733 + ... + 81885138.

It is an arithmetic number, because the mean of its divisors is an integer number (39794863896).

Almost surely, 2^442656446313 is an apocalyptic number.

It is an amenable number.

442656446313 is a deficient number, since it is larger than the sum of its proper divisors (194061376023).

442656446313 is a wasteful number, since it uses less digits than its factorization.

442656446313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163764944.

The product of its digits is 4976640, while the sum is 48.

The spelling of 442656446313 in words is "four hundred forty-two billion, six hundred fifty-six million, four hundred forty-six thousand, three hundred thirteen".