3549869864 has 32 divisors (see below), whose sum is σ = 7310952000. Its totient is φ = 1608406272.

The previous prime is 3549869849. The next prime is 3549869891. The reversal of 3549869864 is 4689689453.

It is a junction number, because it is equal to n+sod(n) for n = 3549869797 and 3549869806.

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 7 ways as a sum of consecutive naturals, for example, 504209 + ... + 511200.

It is an arithmetic number, because the mean of its divisors is an integer number (228467250).

Almost surely, 2^3549869864 is an apocalyptic number.

It is an amenable number.

3549869864 is an abundant number, since it is smaller than the sum of its proper divisors (3761082136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3549869864 is a wasteful number, since it uses less digits than its factorization.

3549869864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015457 (or 1015453 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 62.

The square root of 3549869864 is about 59580.7843520040. The cubic root of 3549869864 is about 1525.4716611837.

The spelling of 3549869864 in words is "three billion, five hundred forty-nine million, eight hundred sixty-nine thousand, eight hundred sixty-four".