3528949250 has 32 divisors (see below), whose sum is σ = 6994801008. Its totient is φ = 1328544000.

The previous prime is 3528949243. The next prime is 3528949289. The reversal of 3528949250 is 529498253.

3528949250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 582305161 + 2946644089 = 24131^2 + 54283^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3528949195 and 3528949204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410921 + ... + 419420.

Almost surely, 2^3528949250 is an apocalyptic number.

3528949250 is a deficient number, since it is larger than the sum of its proper divisors (3465851758).

3528949250 is a wasteful number, since it uses less digits than its factorization.

3528949250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830375 (or 830365 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 47.

The square root of 3528949250 is about 59404.9598097667. The cubic root of 3528949250 is about 1522.4690437990.

The spelling of 3528949250 in words is "three billion, five hundred twenty-eight million, nine hundred forty-nine thousand, two hundred fifty".