6623492321389 has 4 divisors (see below), whose sum is σ = 6663153952224. Its totient is φ = 6583830690556.

The previous prime is 6623492321387. The next prime is 6623492321393. The reversal of 6623492321389 is 9831232943266.

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 6623492321389 - 2¹ = 6623492321387 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 (6623492321387) 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, 19830815167 + ... + 19830815500.

It is an arithmetic number, because the mean of its divisors is an integer number (1665788488056).

Almost surely, 2^{6623492321389} is an apocalyptic number.

It is an amenable number.

6623492321389 is a deficient number, since it is larger than the sum of its proper divisors (39661630835).

6623492321389 is a wasteful number, since it uses less digits than its factorization.

6623492321389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39661630834.

The product of its digits is 20155392, while the sum is 58.

The spelling of 6623492321389 in words is "six trillion, six hundred twenty-three billion, four hundred ninety-two million, three hundred twenty-one thousand, three hundred eighty-nine".