6442330065331 has 16 divisors (see below), whose sum is σ = 6484541430240. Its totient is φ = 6400267856640.

The previous prime is 6442330065329. The next prime is 6442330065337. The reversal of 6442330065331 is 1335600332446.

It is a cyclic number.

It is not a de Polignac number, because 6442330065331 - 2¹ = 6442330065329 is a prime.

It is a super-2 number, since 2×6442330065331² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6442330065337) 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, 280053276 + ... + 280076278.

It is an arithmetic number, because the mean of its divisors is an integer number (405283839390).

Almost surely, 2^{6442330065331} is an apocalyptic number.

6442330065331 is a deficient number, since it is larger than the sum of its proper divisors (42211364909).

6442330065331 is a wasteful number, since it uses less digits than its factorization.

6442330065331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26166.

The product of its (nonzero) digits is 466560, while the sum is 40.

Adding to 6442330065331 its reverse (1335600332446), we get a palindrome (7777930397777).

The spelling of 6442330065331 in words is "six trillion, four hundred forty-two billion, three hundred thirty million, sixty-five thousand, three hundred thirty-one".