389444068723 has 2 divisors, whose sum is σ = 389444068724. Its totient is φ = 389444068722.

The previous prime is 389444068697. The next prime is 389444068777. The reversal of 389444068723 is 327860444983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 389444068723 - 2⁵ = 389444068691 is a prime.

It is not a weakly prime, because it can be changed into another prime (389444060723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194722034361 + 194722034362.

It is an arithmetic number, because the mean of its divisors is an integer number (194722034362).

Almost surely, 2^389444068723 is an apocalyptic number.

389444068723 is a deficient number, since it is larger than the sum of its proper divisors (1).

389444068723 is an equidigital number, since it uses as much as digits as its factorization.

389444068723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27869184, while the sum is 58.

The spelling of 389444068723 in words is "three hundred eighty-nine billion, four hundred forty-four million, sixty-eight thousand, seven hundred twenty-three".