881338993919 has 4 divisors (see below), whose sum is σ = 893412130896. Its totient is φ = 869265856944.

The previous prime is 881338993901. The next prime is 881338993921. The reversal of 881338993919 is 919399833188.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 881338993919 - 2²⁸ = 881070558463 is a prime.

It is a super-2 number, since 2×881338993919² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881338993819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6036568379 + ... + 6036568524.

It is an arithmetic number, because the mean of its divisors is an integer number (223353032724).

Almost surely, 2^881338993919 is an apocalyptic number.

881338993919 is a deficient number, since it is larger than the sum of its proper divisors (12073136977).

881338993919 is a wasteful number, since it uses less digits than its factorization.

881338993919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12073136976.

The product of its digits is 90699264, while the sum is 71.

The spelling of 881338993919 in words is "eight hundred eighty-one billion, three hundred thirty-eight million, nine hundred ninety-three thousand, nine hundred nineteen".