3539547538 has 8 divisors (see below), whose sum is σ = 5311241532. Its totient is φ = 1769133696.

The previous prime is 3539547499. The next prime is 3539547541. The reversal of 3539547538 is 8357459353.

It can be written as a sum of positive squares in 2 ways, for example, as 3211828929 + 327718609 = 56673^2 + 18103^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3539547538² = 25056793547523722888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313095 + ... + 324202.

Almost surely, 2^3539547538 is an apocalyptic number.

3539547538 is a deficient number, since it is larger than the sum of its proper divisors (1771693994).

3539547538 is a wasteful number, since it uses less digits than its factorization.

3539547538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640076.

The product of its digits is 6804000, while the sum is 52.

The square root of 3539547538 is about 59494.0966651314. The cubic root of 3539547538 is about 1523.9916348170.

The spelling of 3539547538 in words is "three billion, five hundred thirty-nine million, five hundred forty-seven thousand, five hundred thirty-eight".