6448261430 has 64 divisors (see below), whose sum is σ = 12829078080. Its totient is φ = 2318823936.

The previous prime is 6448261427. The next prime is 6448261471. The reversal of 6448261430 is 341628446.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 954344 + ... + 961076.

It is an arithmetic number, because the mean of its divisors is an integer number (200454345).

Almost surely, 2^6448261430 is an apocalyptic number.

6448261430 is a deficient number, since it is larger than the sum of its proper divisors (6380816650).

6448261430 is a wasteful number, since it uses less digits than its factorization.

6448261430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6945.

The product of its (nonzero) digits is 110592, while the sum is 38.

The square root of 6448261430 is about 80301.0674275255. The cubic root of 6448261430 is about 1861.2907206800.

Adding to 6448261430 its reverse (341628446), we get a palindrome (6789889876).

The spelling of 6448261430 in words is "six billion, four hundred forty-eight million, two hundred sixty-one thousand, four hundred thirty".