3546666049 has 8 divisors (see below), whose sum is σ = 3563852040. Its totient is φ = 3529506816.

The previous prime is 3546666047. The next prime is 3546666059. The reversal of 3546666049 is 9406666453.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1245737025 + 2300929024 = 35295^2 + 47968^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3546666049 - 2¹ = 3546666047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3546665993 and 3546666011.

It is not an unprimeable number, because it can be changed into a prime (3546666047) 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, 290337 + ... + 302305.

It is an arithmetic number, because the mean of its divisors is an integer number (445481505).

Almost surely, 2^3546666049 is an apocalyptic number.

It is an amenable number.

3546666049 is a deficient number, since it is larger than the sum of its proper divisors (17185991).

3546666049 is a wasteful number, since it uses less digits than its factorization.

3546666049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13379.

The product of its (nonzero) digits is 2799360, while the sum is 49.

The square root of 3546666049 is about 59553.8919718938. The cubic root of 3546666049 is about 1525.0126020996.

The spelling of 3546666049 in words is "three billion, five hundred forty-six million, six hundred sixty-six thousand, forty-nine".