868389000045 has 32 divisors (see below), whose sum is σ = 1681317865728. Its totient is φ = 373626190848.

The previous prime is 868389000043. The next prime is 868389000053. The reversal of 868389000045 is 540000983868.

It is not a de Polignac number, because 868389000045 - 2¹ = 868389000043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868389000043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243244434 + ... + 243248003.

It is an arithmetic number, because the mean of its divisors is an integer number (52541183304).

Almost surely, 2^868389000045 is an apocalyptic number.

868389000045 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

868389000045 is a deficient number, since it is larger than the sum of its proper divisors (812928865683).

868389000045 is a wasteful number, since it uses less digits than its factorization.

868389000045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486492469.

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 868389000045 in words is "eight hundred sixty-eight billion, three hundred eighty-nine million, forty-five", and thus it is an aban number.