853368013 has 2 divisors, whose sum is σ = 853368014. Its totient is φ = 853368012.

The previous prime is 853367971. The next prime is 853368017. The reversal of 853368013 is 310863358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 843495849 + 9872164 = 29043^2 + 3142^2 .

It is a cyclic number.

It is not a de Polignac number, because 853368013 - 2¹³ = 853359821 is a prime.

It is a super-2 number, since 2×853368013² = 1456473931223136338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (853368017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426684006 + 426684007.

It is an arithmetic number, because the mean of its divisors is an integer number (426684007).

Almost surely, 2^853368013 is an apocalyptic number.

It is an amenable number.

853368013 is a deficient number, since it is larger than the sum of its proper divisors (1).

853368013 is an equidigital number, since it uses as much as digits as its factorization.

853368013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 853368013 is about 29212.4633161943. The cubic root of 853368013 is about 948.5177301768.

The spelling of 853368013 in words is "eight hundred fifty-three million, three hundred sixty-eight thousand, thirteen".