3780536605 has 16 divisors (see below), whose sum is σ = 4661665200. Its totient is φ = 2941166592.

The previous prime is 3780536581. The next prime is 3780536623. The reversal of 3780536605 is 5066350873.

3780536605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 713370681 + 3067165924 = 26709^2 + 55382^2 .

It is a cyclic number.

It is not a de Polignac number, because 3780536605 - 2⁹ = 3780536093 is a prime.

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, 467557 + ... + 475573.

It is an arithmetic number, because the mean of its divisors is an integer number (291354075).

Almost surely, 2^3780536605 is an apocalyptic number.

It is an amenable number.

3780536605 is a deficient number, since it is larger than the sum of its proper divisors (881128595).

3780536605 is a wasteful number, since it uses less digits than its factorization.

3780536605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10608.

The product of its (nonzero) digits is 453600, while the sum is 43.

The square root of 3780536605 is about 61486.0683813821. The cubic root of 3780536605 is about 1557.8219391918.

The spelling of 3780536605 in words is "three billion, seven hundred eighty million, five hundred thirty-six thousand, six hundred five".