6484438747 has 2 divisors, whose sum is σ = 6484438748. Its totient is φ = 6484438746.

The previous prime is 6484438729. The next prime is 6484438757. The reversal of 6484438747 is 7478344846.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6484438747 - 2³¹ = 4336955099 is a prime.

It is not a weakly prime, because it can be changed into another prime (6484438757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3242219373 + 3242219374.

It is an arithmetic number, because the mean of its divisors is an integer number (3242219374).

Almost surely, 2^6484438747 is an apocalyptic number.

6484438747 is a deficient number, since it is larger than the sum of its proper divisors (1).

6484438747 is an equidigital number, since it uses as much as digits as its factorization.

6484438747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14450688, while the sum is 55.

The square root of 6484438747 is about 80526.0128591997. The cubic root of 6484438747 is about 1864.7650921827.

The spelling of 6484438747 in words is "six billion, four hundred eighty-four million, four hundred thirty-eight thousand, seven hundred forty-seven".