849013511 has 2 divisors, whose sum is σ = 849013512. Its totient is φ = 849013510.

The previous prime is 849013493. The next prime is 849013597. The reversal of 849013511 is 115310948.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-849013511 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (849013111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424506755 + 424506756.

It is an arithmetic number, because the mean of its divisors is an integer number (424506756).

Almost surely, 2^849013511 is an apocalyptic number.

849013511 is a deficient number, since it is larger than the sum of its proper divisors (1).

849013511 is an equidigital number, since it uses as much as digits as its factorization.

849013511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 849013511 is about 29137.8364159043. The cubic root of 849013511 is about 946.9016366225.

The spelling of 849013511 in words is "eight hundred forty-nine million, thirteen thousand, five hundred eleven".