3546665989 has 8 divisors (see below), whose sum is σ = 3733880000. Its totient is φ = 3359506752.

The previous prime is 3546665959. The next prime is 3546666023. The reversal of 3546665989 is 9895666453.

It is a happy number.

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 3546665989 - 2⁵ = 3546665957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3546665959) 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, 238237 + ... + 252685.

It is an arithmetic number, because the mean of its divisors is an integer number (466735000).

Almost surely, 2^3546665989 is an apocalyptic number.

It is an amenable number.

3546665989 is a deficient number, since it is larger than the sum of its proper divisors (187214011).

3546665989 is a wasteful number, since it uses less digits than its factorization.

3546665989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27387.

The product of its digits is 41990400, while the sum is 61.

The square root of 3546665989 is about 59553.8914681484. The cubic root of 3546665989 is about 1525.0125934999.

The spelling of 3546665989 in words is "three billion, five hundred forty-six million, six hundred sixty-five thousand, nine hundred eighty-nine".