6444541522 has 16 divisors (see below), whose sum is σ = 9687467520. Its totient is φ = 3215395008.

The previous prime is 6444541517. The next prime is 6444541541. The reversal of 6444541522 is 2251454446.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2918943 + ... + 2921149.

It is an arithmetic number, because the mean of its divisors is an integer number (605466720).

Almost surely, 2^6444541522 is an apocalyptic number.

6444541522 is a deficient number, since it is larger than the sum of its proper divisors (3242925998).

6444541522 is a wasteful number, since it uses less digits than its factorization.

6444541522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4665.

The product of its digits is 153600, while the sum is 37.

The square root of 6444541522 is about 80277.9018285854. The cubic root of 6444541522 is about 1860.9327346728.

Adding to 6444541522 its reverse (2251454446), we get a palindrome (8695995968).

The spelling of 6444541522 in words is "six billion, four hundred forty-four million, five hundred forty-one thousand, five hundred twenty-two".