8245668853 has 2 divisors, whose sum is σ = 8245668854. Its totient is φ = 8245668852.

The previous prime is 8245668817. The next prime is 8245668859. The reversal of 8245668853 is 3588665428.

8245668853 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8241371524 + 4297329 = 90782^2 + 2073^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8245668853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8245668794 and 8245668803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8245668859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4122834426 + 4122834427.

It is an arithmetic number, because the mean of its divisors is an integer number (4122834427).

Almost surely, 2^8245668853 is an apocalyptic number.

It is an amenable number.

8245668853 is a deficient number, since it is larger than the sum of its proper divisors (1).

8245668853 is an equidigital number, since it uses as much as digits as its factorization.

8245668853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11059200, while the sum is 55.

The square root of 8245668853 is about 90805.6653133493. The cubic root of 8245668853 is about 2020.2663483217.

The spelling of 8245668853 in words is "eight billion, two hundred forty-five million, six hundred sixty-eight thousand, eight hundred fifty-three".