869469533 has 2 divisors, whose sum is σ = 869469534. Its totient is φ = 869469532.

The previous prime is 869469527. The next prime is 869469551. The reversal of 869469533 is 335964968.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 761870404 + 107599129 = 27602^2 + 10373^2 .

It is a cyclic number.

It is not a de Polignac number, because 869469533 - 2¹² = 869465437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (869469593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434734766 + 434734767.

It is an arithmetic number, because the mean of its divisors is an integer number (434734767).

Almost surely, 2^869469533 is an apocalyptic number.

It is an amenable number.

869469533 is a deficient number, since it is larger than the sum of its proper divisors (1).

869469533 is an equidigital number, since it uses as much as digits as its factorization.

869469533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4199040, while the sum is 53.

The square root of 869469533 is about 29486.7687785556. The cubic root of 869469533 is about 954.4462065225.

The spelling of 869469533 in words is "eight hundred sixty-nine million, four hundred sixty-nine thousand, five hundred thirty-three".