853493526869 has 2 divisors, whose sum is σ = 853493526870. Its totient is φ = 853493526868.

The previous prime is 853493526839. The next prime is 853493526929. The reversal of 853493526869 is 968625394358.

853493526869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 505762768900 + 347730757969 = 711170^2 + 589687^2 .

It is a cyclic number.

It is not a de Polignac number, because 853493526869 - 2²⁸ = 853225091413 is a prime.

It is a super-2 number, since 2×853493526869² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 853493526799 and 853493526808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (853493526839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426746763434 + 426746763435.

It is an arithmetic number, because the mean of its divisors is an integer number (426746763435).

Almost surely, 2^853493526869 is an apocalyptic number.

It is an amenable number.

853493526869 is a deficient number, since it is larger than the sum of its proper divisors (1).

853493526869 is an equidigital number, since it uses as much as digits as its factorization.

853493526869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 335923200, while the sum is 68.

The spelling of 853493526869 in words is "eight hundred fifty-three billion, four hundred ninety-three million, five hundred twenty-six thousand, eight hundred sixty-nine".