868369153 has 2 divisors, whose sum is σ = 868369154. Its totient is φ = 868369152.

The previous prime is 868369147. The next prime is 868369171. The reversal of 868369153 is 351963868.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 679801329 + 188567824 = 26073^2 + 13732^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-868369153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 868369097 and 868369106.

It is not a weakly prime, because it can be changed into another prime (868369553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434184576 + 434184577.

It is an arithmetic number, because the mean of its divisors is an integer number (434184577).

Almost surely, 2^868369153 is an apocalyptic number.

It is an amenable number.

868369153 is a deficient number, since it is larger than the sum of its proper divisors (1).

868369153 is an equidigital number, since it uses as much as digits as its factorization.

868369153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 49.

The square root of 868369153 is about 29468.1039939797. The cubic root of 868369153 is about 954.0433950582.

The spelling of 868369153 in words is "eight hundred sixty-eight million, three hundred sixty-nine thousand, one hundred fifty-three".