849527951 has 2 divisors, whose sum is σ = 849527952. Its totient is φ = 849527950.

The previous prime is 849527929. The next prime is 849527953. The reversal of 849527951 is 159725948.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-849527951 is a prime.

It is a Sophie Germain prime.

Together with 849527953, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 849527951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (849527953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424763975 + 424763976.

It is an arithmetic number, because the mean of its divisors is an integer number (424763976).

Almost surely, 2^849527951 is an apocalyptic number.

849527951 is a deficient number, since it is larger than the sum of its proper divisors (1).

849527951 is an equidigital number, since it uses as much as digits as its factorization.

849527951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 50.

The square root of 849527951 is about 29146.6627763797. The cubic root of 849527951 is about 947.0928490188.

The spelling of 849527951 in words is "eight hundred forty-nine million, five hundred twenty-seven thousand, nine hundred fifty-one".