6313132649 has 2 divisors, whose sum is σ = 6313132650. Its totient is φ = 6313132648.

The previous prime is 6313132633. The next prime is 6313132663. The reversal of 6313132649 is 9462313136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5630251225 + 682881424 = 75035^2 + 26132^2 .

It is a cyclic number.

It is not a de Polignac number, because 6313132649 - 2⁴ = 6313132633 is a prime.

It is not a weakly prime, because it can be changed into another prime (6313132619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3156566324 + 3156566325.

It is an arithmetic number, because the mean of its divisors is an integer number (3156566325).

Almost surely, 2^6313132649 is an apocalyptic number.

It is an amenable number.

6313132649 is a deficient number, since it is larger than the sum of its proper divisors (1).

6313132649 is an equidigital number, since it uses as much as digits as its factorization.

6313132649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 38.

The square root of 6313132649 is about 79455.2241768910. The cubic root of 6313132649 is about 1848.1971869111.

The spelling of 6313132649 in words is "six billion, three hundred thirteen million, one hundred thirty-two thousand, six hundred forty-nine".