849346579 has 2 divisors, whose sum is σ = 849346580. Its totient is φ = 849346578.

The previous prime is 849346559. The next prime is 849346627. The reversal of 849346579 is 975643948.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 849346579 - 2⁷ = 849346451 is a prime.

It is a super-2 number, since 2×849346579² = 1442779222518006482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (849346559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424673289 + 424673290.

It is an arithmetic number, because the mean of its divisors is an integer number (424673290).

Almost surely, 2^849346579 is an apocalyptic number.

849346579 is a deficient number, since it is larger than the sum of its proper divisors (1).

849346579 is an equidigital number, since it uses as much as digits as its factorization.

849346579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 55.

The square root of 849346579 is about 29143.5512420844. The cubic root of 849346579 is about 947.0254436046.

The spelling of 849346579 in words is "eight hundred forty-nine million, three hundred forty-six thousand, five hundred seventy-nine".