3246478657 has 2 divisors, whose sum is σ = 3246478658. Its totient is φ = 3246478656.

The previous prime is 3246478601. The next prime is 3246478667. The reversal of 3246478657 is 7568746423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2087484721 + 1158993936 = 45689^2 + 34044^2 .

It is a cyclic number.

It is not a de Polignac number, because 3246478657 - 2¹¹ = 3246476609 is a prime.

It is not a weakly prime, because it can be changed into another prime (3246478667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1623239328 + 1623239329.

It is an arithmetic number, because the mean of its divisors is an integer number (1623239329).

Almost surely, 2^3246478657 is an apocalyptic number.

It is an amenable number.

3246478657 is a deficient number, since it is larger than the sum of its proper divisors (1).

3246478657 is an equidigital number, since it uses as much as digits as its factorization.

3246478657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6773760, while the sum is 52.

The square root of 3246478657 is about 56977.8786635656. The cubic root of 3246478657 is about 1480.7128683213.

The spelling of 3246478657 in words is "three billion, two hundred forty-six million, four hundred seventy-eight thousand, six hundred fifty-seven".