6448520303 has 8 divisors (see below), whose sum is σ = 6612562656. Its totient is φ = 6284800000.

The previous prime is 6448520261. The next prime is 6448520311. The reversal of 6448520303 is 3030258446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6448520303 - 2¹⁰ = 6448519279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6448520363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39698 + ... + 120303.

It is an arithmetic number, because the mean of its divisors is an integer number (826570332).

Almost surely, 2^6448520303 is an apocalyptic number.

6448520303 is a deficient number, since it is larger than the sum of its proper divisors (164042353).

6448520303 is a wasteful number, since it uses less digits than its factorization.

6448520303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161025.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 6448520303 is about 80302.6793015028. The cubic root of 6448520303 is about 1861.3156282446.

Adding to 6448520303 its reverse (3030258446), we get a palindrome (9478778749).

The spelling of 6448520303 in words is "six billion, four hundred forty-eight million, five hundred twenty thousand, three hundred three".