3856941963 has 24 divisors (see below), whose sum is σ = 6741547488. Its totient is φ = 2074321152.

The previous prime is 3856941953. The next prime is 3856942007. The reversal of 3856941963 is 3691496583.

3856941963 is a `hidden beast` number, since 3 + 8 + 569 + 4 + 19 + 63 = 666.

3856941963 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3856941963 - 2⁴ = 3856941947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3856941953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1799556 + ... + 1801697.

It is an arithmetic number, because the mean of its divisors is an integer number (280897812).

Almost surely, 2^3856941963 is an apocalyptic number.

3856941963 is a deficient number, since it is larger than the sum of its proper divisors (2884605525).

3856941963 is a wasteful number, since it uses less digits than its factorization.

3856941963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3601283 (or 3601280 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The square root of 3856941963 is about 62104.2829682462. The cubic root of 3856941963 is about 1568.2466481002.

The spelling of 3856941963 in words is "three billion, eight hundred fifty-six million, nine hundred forty-one thousand, nine hundred sixty-three".