213876263889 has 32 divisors (see below), whose sum is σ = 330446842880. Its totient is φ = 136562112000.

The previous prime is 213876263863. The next prime is 213876263989. The reversal of 213876263889 is 988362678312.

213876263889 is a `hidden beast` number, since 213 + 87 + 6 + 263 + 8 + 89 = 666.

It is not a de Polignac number, because 213876263889 - 2⁸ = 213876263633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213876263989) 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 31 ways as a sum of consecutive naturals, for example, 1235962 + ... + 1398339.

It is an arithmetic number, because the mean of its divisors is an integer number (10326463840).

Almost surely, 2^213876263889 is an apocalyptic number.

It is an amenable number.

213876263889 is a deficient number, since it is larger than the sum of its proper divisors (116570578991).

213876263889 is a wasteful number, since it uses less digits than its factorization.

213876263889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634438 (or 2634432 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 63.

The spelling of 213876263889 in words is "two hundred thirteen billion, eight hundred seventy-six million, two hundred sixty-three thousand, eight hundred eighty-nine".