6442503122 has 64 divisors (see below), whose sum is σ = 11192822784. Its totient is φ = 2754440640.

The previous prime is 6442503083. The next prime is 6442503127. The reversal of 6442503122 is 2213052446.

It is not an unprimeable number, because it can be changed into a prime (6442503127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3604313 + ... + 3606099.

It is an arithmetic number, because the mean of its divisors is an integer number (174887856).

Almost surely, 2^6442503122 is an apocalyptic number.

6442503122 is a deficient number, since it is larger than the sum of its proper divisors (4750319662).

6442503122 is a wasteful number, since it uses less digits than its factorization.

6442503122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 6442503122 is about 80265.2049271663. The cubic root of 6442503122 is about 1860.7365104581.

Adding to 6442503122 its reverse (2213052446), we get a palindrome (8655555568).

The spelling of 6442503122 in words is "six billion, four hundred forty-two million, five hundred three thousand, one hundred twenty-two".