3549649011 has 16 divisors (see below), whose sum is σ = 5127813504. Its totient is φ = 2175433344.

The previous prime is 3549649007. The next prime is 3549649021. The reversal of 3549649011 is 1109469453.

It is not a de Polignac number, because 3549649011 - 2² = 3549649007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3549649001) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 807121 + ... + 811506.

It is an arithmetic number, because the mean of its divisors is an integer number (320488344).

Almost surely, 2^3549649011 is an apocalyptic number.

3549649011 is a deficient number, since it is larger than the sum of its proper divisors (1578164493).

3549649011 is a wasteful number, since it uses less digits than its factorization.

3549649011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618690.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 3549649011 is about 59578.9309319998. The cubic root of 3549649011 is about 1525.4400250963.

The spelling of 3549649011 in words is "three billion, five hundred forty-nine million, six hundred forty-nine thousand, eleven".