6428573617 has 2 divisors, whose sum is σ = 6428573618. Its totient is φ = 6428573616.

The previous prime is 6428573603. The next prime is 6428573629. The reversal of 6428573617 is 7163758246.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3559792896 + 2868780721 = 59664^2 + 53561^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6428573617 is a prime.

It is not a weakly prime, because it can be changed into another prime (6428576617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3214286808 + 3214286809.

It is an arithmetic number, because the mean of its divisors is an integer number (3214286809).

Almost surely, 2^6428573617 is an apocalyptic number.

It is an amenable number.

6428573617 is a deficient number, since it is larger than the sum of its proper divisors (1).

6428573617 is an equidigital number, since it uses as much as digits as its factorization.

6428573617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 49.

The square root of 6428573617 is about 80178.3862209760. The cubic root of 6428573617 is about 1859.3944937163.

The spelling of 6428573617 in words is "six billion, four hundred twenty-eight million, five hundred seventy-three thousand, six hundred seventeen".