6445050311 has 6 divisors (see below), whose sum is σ = 7497303480. Its totient is φ = 5524328796.

The previous prime is 6445050301. The next prime is 6445050323. The reversal of 6445050311 is 1130505446.

It is a happy number.

It is not a de Polignac number, because 6445050311 - 2⁶ = 6445050247 is a prime.

It is a super-2 number, since 2×6445050311² = 83077347022642393442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6445050301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65765771 + ... + 65765868.

It is an arithmetic number, because the mean of its divisors is an integer number (1249550580).

Almost surely, 2^6445050311 is an apocalyptic number.

6445050311 is a deficient number, since it is larger than the sum of its proper divisors (1052253169).

6445050311 is a wasteful number, since it uses less digits than its factorization.

6445050311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131531653 (or 131531646 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 6445050311 is about 80281.0706891730. The cubic root of 6445050311 is about 1860.9817062035.

Adding to 6445050311 its reverse (1130505446), we get a palindrome (7575555757).

The spelling of 6445050311 in words is "six billion, four hundred forty-five million, fifty thousand, three hundred eleven".