6448345831 has 2 divisors, whose sum is σ = 6448345832. Its totient is φ = 6448345830.

The previous prime is 6448345817. The next prime is 6448345853. The reversal of 6448345831 is 1385438446.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6448345831 - 2¹⁹ = 6447821543 is a prime.

It is a super-2 number, since 2×6448345831² = 83162327912350161122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6448345801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3224172915 + 3224172916.

It is an arithmetic number, because the mean of its divisors is an integer number (3224172916).

Almost surely, 2^6448345831 is an apocalyptic number.

6448345831 is a deficient number, since it is larger than the sum of its proper divisors (1).

6448345831 is an equidigital number, since it uses as much as digits as its factorization.

6448345831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1105920, while the sum is 46.

The square root of 6448345831 is about 80301.5929543119. The cubic root of 6448345831 is about 1861.2988414277.

The spelling of 6448345831 in words is "six billion, four hundred forty-eight million, three hundred forty-five thousand, eight hundred thirty-one".