849671533 has 2 divisors, whose sum is σ = 849671534. Its totient is φ = 849671532.

The previous prime is 849671527. The next prime is 849671539. The reversal of 849671533 is 335176948.

It is a balanced prime because it is at equal distance from previous prime (849671527) and next prime (849671539).

It can be written as a sum of positive squares in only one way, i.e., 433389124 + 416282409 = 20818^2 + 20403^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-849671533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (849671539) 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, 424835766 + 424835767.

It is an arithmetic number, because the mean of its divisors is an integer number (424835767).

Almost surely, 2^849671533 is an apocalyptic number.

It is an amenable number.

849671533 is a deficient number, since it is larger than the sum of its proper divisors (1).

849671533 is an equidigital number, since it uses as much as digits as its factorization.

849671533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 46.

The square root of 849671533 is about 29149.1257673365. The cubic root of 849671533 is about 947.1462032865.

The spelling of 849671533 in words is "eight hundred forty-nine million, six hundred seventy-one thousand, five hundred thirty-three".