3549279966 has 16 divisors (see below), whose sum is σ = 7099415424. Its totient is φ = 1182950744.

The previous prime is 3549279911. The next prime is 3549279967. The reversal of 3549279966 is 6699729453.

It is a super-2 number, since 2×3549279966² = 25194776554097922312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3549279967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26671 + ... + 88373.

It is an arithmetic number, because the mean of its divisors is an integer number (443713464).

Almost surely, 2^3549279966 is an apocalyptic number.

3549279966 is an abundant number, since it is smaller than the sum of its proper divisors (3550135458).

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

3549279966 is a wasteful number, since it uses less digits than its factorization.

3549279966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71295.

The product of its digits is 22044960, while the sum is 60.

The square root of 3549279966 is about 59575.8337415432. The cubic root of 3549279966 is about 1525.3871583177.

The spelling of 3549279966 in words is "three billion, five hundred forty-nine million, two hundred seventy-nine thousand, nine hundred sixty-six".