859749513 has 16 divisors (see below), whose sum is σ = 1312152576. Its totient is φ = 490513680.

The previous prime is 859749497. The next prime is 859749529. The reversal of 859749513 is 315947958.

It is an interprime number because it is at equal distance from previous prime (859749497) and next prime (859749529).

It is not a de Polignac number, because 859749513 - 2⁴ = 859749497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (859749013) 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 15 ways as a sum of consecutive naturals, for example, 18333 + ... + 45338.

It is an arithmetic number, because the mean of its divisors is an integer number (82009536).

Almost surely, 2^859749513 is an apocalyptic number.

It is an amenable number.

859749513 is a deficient number, since it is larger than the sum of its proper divisors (452403063).

859749513 is a wasteful number, since it uses less digits than its factorization.

859749513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64324.

The product of its digits is 1360800, while the sum is 51.

The square root of 859749513 is about 29321.4855183021. The cubic root of 859749513 is about 950.8762047215.

The spelling of 859749513 in words is "eight hundred fifty-nine million, seven hundred forty-nine thousand, five hundred thirteen".