3856533045 has 64 divisors (see below), whose sum is σ = 6714005760. Its totient is φ = 1889255424.

The previous prime is 3856533029. The next prime is 3856533047. The reversal of 3856533045 is 5403356583.

It is not a de Polignac number, because 3856533045 - 2⁴ = 3856533029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3856532988 and 3856533006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3856533047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3168277 + ... + 3169493.

It is an arithmetic number, because the mean of its divisors is an integer number (104906340).

Almost surely, 2^3856533045 is an apocalyptic number.

It is an amenable number.

3856533045 is a deficient number, since it is larger than the sum of its proper divisors (2857472715).

3856533045 is a wasteful number, since it uses less digits than its factorization.

3856533045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319 (or 1285 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 42.

The square root of 3856533045 is about 62100.9906925807. The cubic root of 3856533045 is about 1568.1912236254.

The spelling of 3856533045 in words is "three billion, eight hundred fifty-six million, five hundred thirty-three thousand, forty-five".