389999996906413 has 2 divisors, whose sum is σ = 389999996906414. Its totient is φ = 389999996906412.

The previous prime is 389999996906389. The next prime is 389999996906419. The reversal of 389999996906413 is 314609699999983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 367342187465929 + 22657809440484 = 19166173^2 + 4760022^2 .

It is a cyclic number.

It is not a de Polignac number, because 389999996906413 - 2⁹ = 389999996905901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389999996906419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194999998453206 + 194999998453207.

It is an arithmetic number, because the mean of its divisors is an integer number (194999998453207).

Almost surely, 2^{389999996906413} is an apocalyptic number.

It is an amenable number.

389999996906413 is a deficient number, since it is larger than the sum of its proper divisors (1).

389999996906413 is an equidigital number, since it uses as much as digits as its factorization.

389999996906413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49589822592, while the sum is 94.

The spelling of 389999996906413 in words is "three hundred eighty-nine trillion, nine hundred ninety-nine billion, nine hundred ninety-six million, nine hundred six thousand, four hundred thirteen".