853389513 has 12 divisors (see below), whose sum is σ = 1278328688. Its totient is φ = 568926180.

The previous prime is 853389487. The next prime is 853389533. The reversal of 853389513 is 315983358.

853389513 is a `hidden beast` number, since 8 + 53 + 3 + 89 + 513 = 666.

It is not a de Polignac number, because 853389513 - 2¹² = 853385417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (853389533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1755703 + ... + 1756188.

Almost surely, 2^853389513 is an apocalyptic number.

It is an amenable number.

853389513 is a deficient number, since it is larger than the sum of its proper divisors (424939175).

853389513 is an equidigital number, since it uses as much as digits as its factorization.

853389513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3511906 (or 3511894 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 853389513 is about 29212.8313074923. The cubic root of 853389513 is about 948.5256958531.

The spelling of 853389513 in words is "eight hundred fifty-three million, three hundred eighty-nine thousand, five hundred thirteen".