849039151 has 2 divisors, whose sum is σ = 849039152. Its totient is φ = 849039150.

The previous prime is 849039137. The next prime is 849039199. The reversal of 849039151 is 151930948.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-849039151 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 (849039131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424519575 + 424519576.

It is an arithmetic number, because the mean of its divisors is an integer number (424519576).

Almost surely, 2^849039151 is an apocalyptic number.

849039151 is a deficient number, since it is larger than the sum of its proper divisors (1).

849039151 is an equidigital number, since it uses as much as digits as its factorization.

849039151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 849039151 is about 29138.2763903427. The cubic root of 849039151 is about 946.9111685923.

The spelling of 849039151 in words is "eight hundred forty-nine million, thirty-nine thousand, one hundred fifty-one".