3895671213 has 48 divisors (see below), whose sum is σ = 6961388160. Its totient is φ = 2108897856.

The previous prime is 3895671191. The next prime is 3895671229. The reversal of 3895671213 is 3121765983.

3895671213 is a `hidden beast` number, since 3 + 89 + 567 + 1 + 2 + 1 + 3 = 666.

It is not a de Polignac number, because 3895671213 - 2¹⁶ = 3895605677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3895671233) 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 47 ways as a sum of consecutive naturals, for example, 39681 + ... + 96777.

It is an arithmetic number, because the mean of its divisors is an integer number (145028920).

Almost surely, 2^3895671213 is an apocalyptic number.

It is an amenable number.

3895671213 is a deficient number, since it is larger than the sum of its proper divisors (3065716947).

3895671213 is a wasteful number, since it uses less digits than its factorization.

3895671213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57151 (or 57126 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 3895671213 is about 62415.3123279857. The cubic root of 3895671213 is about 1573.4783271476.

The spelling of 3895671213 in words is "three billion, eight hundred ninety-five million, six hundred seventy-one thousand, two hundred thirteen".