3665549382 has 16 divisors (see below), whose sum is σ = 7997562432. Its totient is φ = 1110772520.

The previous prime is 3665549359. The next prime is 3665549387. The reversal of 3665549382 is 2839455663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3665549387) 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, 27769248 + ... + 27769379.

It is an arithmetic number, because the mean of its divisors is an integer number (499847652).

Almost surely, 2^3665549382 is an apocalyptic number.

3665549382 is an abundant number, since it is smaller than the sum of its proper divisors (4332013050).

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

3665549382 is a wasteful number, since it uses less digits than its factorization.

3665549382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55538643.

The product of its digits is 4665600, while the sum is 51.

The square root of 3665549382 is about 60543.7807045447. The cubic root of 3665549382 is about 1541.8650286192.

The spelling of 3665549382 in words is "three billion, six hundred sixty-five million, five hundred forty-nine thousand, three hundred eighty-two".