849527971 has 2 divisors, whose sum is σ = 849527972. Its totient is φ = 849527970.

The previous prime is 849527969. The next prime is 849528007. The reversal of 849527971 is 179725948.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 849527971 - 2¹ = 849527969 is a prime.

It is a super-2 number, since 2×849527971² = 1443395547022753682, which contains 22 as substring.

Together with 849527969, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (849527951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424763985 + 424763986.

It is an arithmetic number, because the mean of its divisors is an integer number (424763986).

Almost surely, 2^849527971 is an apocalyptic number.

849527971 is a deficient number, since it is larger than the sum of its proper divisors (1).

849527971 is an equidigital number, since it uses as much as digits as its factorization.

849527971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 52.

The square root of 849527971 is about 29146.6631194722. The cubic root of 849527971 is about 947.0928564511.

The spelling of 849527971 in words is "eight hundred forty-nine million, five hundred twenty-seven thousand, nine hundred seventy-one".