881343564813 has 12 divisors (see below), whose sum is σ = 1273506027040. Its totient is φ = 587352740616.

The previous prime is 881343564811. The next prime is 881343564833. The reversal of 881343564813 is 318465343188.

881343564813 is a `hidden beast` number, since 8 + 81 + 34 + 3 + 56 + 481 + 3 = 666.

It is not a de Polignac number, because 881343564813 - 2¹ = 881343564811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 881343564813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881343564811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17443033 + ... + 17493486.

Almost surely, 2^881343564813 is an apocalyptic number.

It is an amenable number.

881343564813 is a deficient number, since it is larger than the sum of its proper divisors (392162462227).

881343564813 is a wasteful number, since it uses less digits than its factorization.

881343564813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34939328 (or 34939325 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 54.

The spelling of 881343564813 in words is "eight hundred eighty-one billion, three hundred forty-three million, five hundred sixty-four thousand, eight hundred thirteen".