6445596342 has 16 divisors (see below), whose sum is σ = 13649498352. Its totient is φ = 2022147840.

The previous prime is 6445596331. The next prime is 6445596343. The reversal of 6445596342 is 2436955446.

It is a junction number, because it is equal to n+sod(n) for n = 6445596291 and 6445596300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6445596343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31595959 + ... + 31596162.

It is an arithmetic number, because the mean of its divisors is an integer number (853093647).

Almost surely, 2^6445596342 is an apocalyptic number.

6445596342 is an abundant number, since it is smaller than the sum of its proper divisors (7203902010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6445596342 is a wasteful number, since it uses less digits than its factorization.

6445596342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63192143.

The product of its digits is 3110400, while the sum is 48.

The square root of 6445596342 is about 80284.4713627735. The cubic root of 6445596342 is about 1861.0342594528.

The spelling of 6445596342 in words is "six billion, four hundred forty-five million, five hundred ninety-six thousand, three hundred forty-two".