3663799845 has 8 divisors (see below), whose sum is σ = 5862079776. Its totient is φ = 1954026576.

The previous prime is 3663799823. The next prime is 3663799859. The reversal of 3663799845 is 5489973663.

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

It is not a de Polignac number, because 3663799845 - 2⁵ = 3663799813 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122126647 + ... + 122126676.

It is an arithmetic number, because the mean of its divisors is an integer number (732759972).

Almost surely, 2^3663799845 is an apocalyptic number.

It is an amenable number.

3663799845 is a deficient number, since it is larger than the sum of its proper divisors (2198279931).

3663799845 is a wasteful number, since it uses less digits than its factorization.

3663799845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244253331.

The product of its digits is 29393280, while the sum is 60.

The square root of 3663799845 is about 60529.3304522692. The cubic root of 3663799845 is about 1541.6196830223.

The spelling of 3663799845 in words is "three billion, six hundred sixty-three million, seven hundred ninety-nine thousand, eight hundred forty-five".