6446322130 has 64 divisors (see below), whose sum is σ = 12374208000. Its totient is φ = 2413732608.

The previous prime is 6446322067. The next prime is 6446322131. The reversal of 6446322130 is 312236446.

It is a junction number, because it is equal to n+sod(n) for n = 6446322092 and 6446322101.

It is not an unprimeable number, because it can be changed into a prime (6446322131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1483501 + ... + 1487839.

It is an arithmetic number, because the mean of its divisors is an integer number (193347000).

Almost surely, 2^6446322130 is an apocalyptic number.

6446322130 is a deficient number, since it is larger than the sum of its proper divisors (5927885870).

6446322130 is a wasteful number, since it uses less digits than its factorization.

6446322130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4531.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 6446322130 is about 80288.9913375427. The cubic root of 6446322130 is about 1861.1041089835.

Adding to 6446322130 its reverse (312236446), we get a palindrome (6758558576).

The spelling of 6446322130 in words is "six billion, four hundred forty-six million, three hundred twenty-two thousand, one hundred thirty".