881469133 has 2 divisors, whose sum is σ = 881469134. Its totient is φ = 881469132.

The previous prime is 881469077. The next prime is 881469139. The reversal of 881469133 is 331964188.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 815502249 + 65966884 = 28557^2 + 8122^2 .

It is a cyclic number.

It is not a de Polignac number, because 881469133 - 2¹⁷ = 881338061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 881469133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (881469139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440734566 + 440734567.

It is an arithmetic number, because the mean of its divisors is an integer number (440734567).

Almost surely, 2^881469133 is an apocalyptic number.

It is an amenable number.

881469133 is a deficient number, since it is larger than the sum of its proper divisors (1).

881469133 is an equidigital number, since it uses as much as digits as its factorization.

881469133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 43.

The square root of 881469133 is about 29689.5458537176. The cubic root of 881469133 is about 958.8169501547.

It can be divided in two parts, 88146 and 9133, that added together give a palindrome (97279).

The spelling of 881469133 in words is "eight hundred eighty-one million, four hundred sixty-nine thousand, one hundred thirty-three".