3669984945 has 48 divisors (see below), whose sum is σ = 7178932800. Its totient is φ = 1718021760.

The previous prime is 3669984937. The next prime is 3669984961. The reversal of 3669984945 is 5494899663.

It is not a de Polignac number, because 3669984945 - 2³ = 3669984937 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113475 + ... + 142184.

It is an arithmetic number, because the mean of its divisors is an integer number (149561100).

Almost surely, 2^3669984945 is an apocalyptic number.

It is an amenable number.

3669984945 is a deficient number, since it is larger than the sum of its proper divisors (3508947855).

3669984945 is a wasteful number, since it uses less digits than its factorization.

3669984945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255710 (or 255707 counting only the distinct ones).

The product of its digits is 50388480, while the sum is 63.

The square root of 3669984945 is about 60580.4006672125. The cubic root of 3669984945 is about 1542.4866983014.

The spelling of 3669984945 in words is "three billion, six hundred sixty-nine million, nine hundred eighty-four thousand, nine hundred forty-five".