868389000053 has 2 divisors, whose sum is σ = 868389000054. Its totient is φ = 868389000052.

The previous prime is 868389000043. The next prime is 868389000107. The reversal of 868389000053 is 350000983868.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 653707824484 + 214681175569 = 808522^2 + 463337^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-868389000053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 868388999965 and 868389000010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (868389000043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434194500026 + 434194500027.

It is an arithmetic number, because the mean of its divisors is an integer number (434194500027).

Almost surely, 2^868389000053 is an apocalyptic number.

It is an amenable number.

868389000053 is a deficient number, since it is larger than the sum of its proper divisors (1).

868389000053 is an equidigital number, since it uses as much as digits as its factorization.

868389000053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 868389000053 in words is "eight hundred sixty-eight billion, three hundred eighty-nine million, fifty-three", and thus it is an aban number.