389820243413 has 4 divisors (see below), whose sum is σ = 389851746240. Its totient is φ = 389788740588.

The previous prime is 389820243377. The next prime is 389820243427. The reversal of 389820243413 is 314342028983.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 389820243413 - 2⁶ = 389820243349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389820243443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15732845 + ... + 15757602.

It is an arithmetic number, because the mean of its divisors is an integer number (97462936560).

Almost surely, 2^389820243413 is an apocalyptic number.

It is an amenable number.

389820243413 is a deficient number, since it is larger than the sum of its proper divisors (31502827).

389820243413 is a wasteful number, since it uses less digits than its factorization.

389820243413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31502826.

The product of its (nonzero) digits is 995328, while the sum is 47.

The spelling of 389820243413 in words is "three hundred eighty-nine billion, eight hundred twenty million, two hundred forty-three thousand, four hundred thirteen".