3549133643 has 6 divisors (see below), whose sum is σ = 3901113972. Its totient is φ = 3226485020.

The previous prime is 3549133597. The next prime is 3549133691. The reversal of 3549133643 is 3463319453.

It is not a de Polignac number, because 3549133643 - 2¹² = 3549129547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3549133643.

It is not an unprimeable number, because it can be changed into a prime (3549133543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14665721 + ... + 14665962.

It is an arithmetic number, because the mean of its divisors is an integer number (650185662).

Almost surely, 2^3549133643 is an apocalyptic number.

3549133643 is a deficient number, since it is larger than the sum of its proper divisors (351980329).

3549133643 is a wasteful number, since it uses less digits than its factorization.

3549133643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29331705 (or 29331694 counting only the distinct ones).

The product of its digits is 349920, while the sum is 41.

The square root of 3549133643 is about 59574.6056890014. The cubic root of 3549133643 is about 1525.3661961043.

The spelling of 3549133643 in words is "three billion, five hundred forty-nine million, one hundred thirty-three thousand, six hundred forty-three".