3655048805 has 16 divisors (see below), whose sum is σ = 4572754560. Its totient is φ = 2802141888.

The previous prime is 3655048781. The next prime is 3655048823. The reversal of 3655048805 is 5088405563.

3655048805 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3655048805 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148985 + ... + 171774.

It is an arithmetic number, because the mean of its divisors is an integer number (285797160).

Almost surely, 2^3655048805 is an apocalyptic number.

It is an amenable number.

3655048805 is a deficient number, since it is larger than the sum of its proper divisors (917705755).

3655048805 is a wasteful number, since it uses less digits than its factorization.

3655048805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320860.

The product of its (nonzero) digits is 576000, while the sum is 44.

The square root of 3655048805 is about 60456.9996361050. Note that the first 3 decimals coincide. The cubic root of 3655048805 is about 1540.3913107195.

Adding to 3655048805 its sum of digits (44), we get a square (3655048849 = 60457²).

The spelling of 3655048805 in words is "three billion, six hundred fifty-five million, forty-eight thousand, eight hundred five".