789023221013 has 4 divisors (see below), whose sum is σ = 795046299168. Its totient is φ = 783000142860.

The previous prime is 789023220989. The next prime is 789023221037. The reversal of 789023221013 is 310122320987.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (789023220989) and next prime (789023221037).

It is a cyclic number.

It is not a de Polignac number, because 789023221013 - 2¹⁶ = 789023155477 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 (789023221093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3011538881 + ... + 3011539142.

It is an arithmetic number, because the mean of its divisors is an integer number (198761574792).

Almost surely, 2^789023221013 is an apocalyptic number.

It is an amenable number.

789023221013 is a deficient number, since it is larger than the sum of its proper divisors (6023078155).

789023221013 is a wasteful number, since it uses less digits than its factorization.

789023221013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6023078154.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 789023221013 in words is "seven hundred eighty-nine billion, twenty-three million, two hundred twenty-one thousand, thirteen".