882049681 has 4 divisors (see below), whose sum is σ = 882118512. Its totient is φ = 881980852.

The previous prime is 882049657. The next prime is 882049723. The reversal of 882049681 is 186940288.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 882049681 - 2²³ = 873661073 is a prime.

It is a super-2 number, since 2×882049681² = 1556023279504403522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (882049601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8875 + ... + 42928.

It is an arithmetic number, because the mean of its divisors is an integer number (220529628).

Almost surely, 2^882049681 is an apocalyptic number.

882049681 is the 18784-th centered pentagonal number.

It is an amenable number.

882049681 is a deficient number, since it is larger than the sum of its proper divisors (68831).

882049681 is a wasteful number, since it uses less digits than its factorization.

882049681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68830.

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 882049681 is about 29699.3212211997. The cubic root of 882049681 is about 959.0274007473.

The spelling of 882049681 in words is "eight hundred eighty-two million, forty-nine thousand, six hundred eighty-one".