389999996874073 has 2 divisors, whose sum is σ = 389999996874074. Its totient is φ = 389999996874072.

The previous prime is 389999996874029. The next prime is 389999996874077. The reversal of 389999996874073 is 370478699999983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 336006936962064 + 53993059912009 = 18330492^2 + 7347997^2 .

It is a cyclic number.

It is not a de Polignac number, because 389999996874073 - 2¹⁷ = 389999996743001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 389999996874073.

It is not a weakly prime, because it can be changed into another prime (389999996874077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194999998437036 + 194999998437037.

It is an arithmetic number, because the mean of its divisors is an integer number (194999998437037).

Almost surely, 2^{389999996874073} is an apocalyptic number.

It is an amenable number.

389999996874073 is a deficient number, since it is larger than the sum of its proper divisors (1).

389999996874073 is an equidigital number, since it uses as much as digits as its factorization.

389999996874073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 359985378816, while the sum is 100.

The spelling of 389999996874073 in words is "three hundred eighty-nine trillion, nine hundred ninety-nine billion, nine hundred ninety-six million, eight hundred seventy-four thousand, seventy-three".