3556985499 has 12 divisors (see below), whose sum is σ = 5257353816. Its totient is φ = 2316176352.

The previous prime is 3556985483. The next prime is 3556985513. The reversal of 3556985499 is 9945896553.

3556985499 is a `hidden beast` number, since 3 + 5 + 5 + 69 + 85 + 499 = 666.

It is not a de Polignac number, because 3556985499 - 2⁴ = 3556985483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3556985479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4595202 + ... + 4595975.

It is an arithmetic number, because the mean of its divisors is an integer number (438112818).

Almost surely, 2^3556985499 is an apocalyptic number.

3556985499 is a deficient number, since it is larger than the sum of its proper divisors (1700368317).

3556985499 is a wasteful number, since it uses less digits than its factorization.

3556985499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9191226 (or 9191223 counting only the distinct ones).

The product of its digits is 52488000, while the sum is 63.

The square root of 3556985499 is about 59640.4686349797. The cubic root of 3556985499 is about 1526.4902388929.

The spelling of 3556985499 in words is "three billion, five hundred fifty-six million, nine hundred eighty-five thousand, four hundred ninety-nine".