3533941985 has 24 divisors (see below), whose sum is σ = 5038070400. Its totient is φ = 2371707744.

The previous prime is 3533941933. The next prime is 3533941991. The reversal of 3533941985 is 5891493353.

It is a happy number.

3533941985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3533941985 - 2¹⁴ = 3533925601 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141935 + ... + 164964.

It is an arithmetic number, because the mean of its divisors is an integer number (209919600).

Almost surely, 2^3533941985 is an apocalyptic number.

3533941985 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3533941985 is a deficient number, since it is larger than the sum of its proper divisors (1504128415).

3533941985 is a wasteful number, since it uses less digits than its factorization.

3533941985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306965 (or 306958 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 50.

The square root of 3533941985 is about 59446.9678368880. The cubic root of 3533941985 is about 1523.1866986408.

The spelling of 3533941985 in words is "three billion, five hundred thirty-three million, nine hundred forty-one thousand, nine hundred eighty-five".