849057013 has 4 divisors (see below), whose sum is σ = 970350880. Its totient is φ = 727763148.

The previous prime is 849056977. The next prime is 849057043. The reversal of 849057013 is 310750948.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 849057013 - 2¹⁷ = 848925941 is a prime.

It is a super-2 number, since 2×849057013² = 1441795622648964338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849057043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60646923 + ... + 60646936.

It is an arithmetic number, because the mean of its divisors is an integer number (242587720).

Almost surely, 2^849057013 is an apocalyptic number.

It is an amenable number.

849057013 is a deficient number, since it is larger than the sum of its proper divisors (121293867).

849057013 is a wasteful number, since it uses less digits than its factorization.

849057013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121293866.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 849057013 is about 29138.5828927901. The cubic root of 849057013 is about 946.9178088863.

The spelling of 849057013 in words is "eight hundred forty-nine million, fifty-seven thousand, thirteen".