3549421964 has 12 divisors (see below), whose sum is σ = 6776169288. Its totient is φ = 1613373600.

The previous prime is 3549421961. The next prime is 3549421979. The reversal of 3549421964 is 4691249453.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3549421961) 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 3 ways as a sum of consecutive naturals, for example, 40334297 + ... + 40334384.

It is an arithmetic number, because the mean of its divisors is an integer number (564680774).

Almost surely, 2^3549421964 is an apocalyptic number.

It is an amenable number.

3549421964 is a deficient number, since it is larger than the sum of its proper divisors (3226747324).

3549421964 is a wasteful number, since it uses less digits than its factorization.

3549421964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80668696 (or 80668694 counting only the distinct ones).

The product of its digits is 933120, while the sum is 47.

The square root of 3549421964 is about 59577.0254712335. The cubic root of 3549421964 is about 1525.4075003814.

The spelling of 3549421964 in words is "three billion, five hundred forty-nine million, four hundred twenty-one thousand, nine hundred sixty-four".