6499264841 has 2 divisors, whose sum is σ = 6499264842. Its totient is φ = 6499264840.

The previous prime is 6499264727. The next prime is 6499264897. The reversal of 6499264841 is 1484629946.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5879055625 + 620209216 = 76675^2 + 24904^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6499264841 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6499260841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3249632420 + 3249632421.

It is an arithmetic number, because the mean of its divisors is an integer number (3249632421).

Almost surely, 2^6499264841 is an apocalyptic number.

It is an amenable number.

6499264841 is a deficient number, since it is larger than the sum of its proper divisors (1).

6499264841 is an equidigital number, since it uses as much as digits as its factorization.

6499264841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2985984, while the sum is 53.

The square root of 6499264841 is about 80618.0180914912. The cubic root of 6499264841 is about 1866.1852170592.

The spelling of 6499264841 in words is "six billion, four hundred ninety-nine million, two hundred sixty-four thousand, eight hundred forty-one".