6473756539 has 2 divisors, whose sum is σ = 6473756540. Its totient is φ = 6473756538.

The previous prime is 6473756501. The next prime is 6473756557. The reversal of 6473756539 is 9356573746.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6473756539 - 2⁹ = 6473756027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6473756539.

It is not a weakly prime, because it can be changed into another prime (6473756599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3236878269 + 3236878270.

It is an arithmetic number, because the mean of its divisors is an integer number (3236878270).

Almost surely, 2^6473756539 is an apocalyptic number.

6473756539 is a deficient number, since it is larger than the sum of its proper divisors (1).

6473756539 is an equidigital number, since it uses as much as digits as its factorization.

6473756539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14288400, while the sum is 55.

The square root of 6473756539 is about 80459.6578354644. The cubic root of 6473756539 is about 1863.7405492858.

The spelling of 6473756539 in words is "six billion, four hundred seventy-three million, seven hundred fifty-six thousand, five hundred thirty-nine".