3529728641 has 2 divisors, whose sum is σ = 3529728642. Its totient is φ = 3529728640.

The previous prime is 3529728637. The next prime is 3529728647. The reversal of 3529728641 is 1468279253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2369645041 + 1160083600 = 48679^2 + 34060^2 .

It is a cyclic number.

It is not a de Polignac number, because 3529728641 - 2² = 3529728637 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3529728647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1764864320 + 1764864321.

It is an arithmetic number, because the mean of its divisors is an integer number (1764864321).

Almost surely, 2^3529728641 is an apocalyptic number.

It is an amenable number.

3529728641 is a deficient number, since it is larger than the sum of its proper divisors (1).

3529728641 is an equidigital number, since it uses as much as digits as its factorization.

3529728641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 47.

The square root of 3529728641 is about 59411.5194301577. The cubic root of 3529728641 is about 1522.5811178888.

The spelling of 3529728641 in words is "three billion, five hundred twenty-nine million, seven hundred twenty-eight thousand, six hundred forty-one".