881243989593 has 16 divisors (see below), whose sum is σ = 1309081982976. Its totient is φ = 522723706640.

The previous prime is 881243989573. The next prime is 881243989657. The reversal of 881243989593 is 395989342188.

881243989593 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 a cyclic number.

It is not a de Polignac number, because 881243989593 - 2⁸ = 881243989337 is a prime.

It is a super-3 number, since 3×881243989593³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (881243989523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284087421 + ... + 284090522.

It is an arithmetic number, because the mean of its divisors is an integer number (81817623936).

Almost surely, 2^881243989593 is an apocalyptic number.

It is an amenable number.

881243989593 is a deficient number, since it is larger than the sum of its proper divisors (427837993383).

881243989593 is a wasteful number, since it uses less digits than its factorization.

881243989593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568178004.

The product of its digits is 134369280, while the sum is 69.

The spelling of 881243989593 in words is "eight hundred eighty-one billion, two hundred forty-three million, nine hundred eighty-nine thousand, five hundred ninety-three".