6623492321388 has 24 divisors (see below), whose sum is σ = 15532477811200. Its totient is φ = 2196736146000.

The previous prime is 6623492321387. The next prime is 6623492321393. The reversal of 6623492321388 is 8831232943266.

It is not an unprimeable number, because it can be changed into a prime (6623492321387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1386825988 + ... + 1386830763.

Almost surely, 2^{6623492321388} is an apocalyptic number.

It is an amenable number.

6623492321388 is an abundant number, since it is smaller than the sum of its proper divisors (8908985489812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6623492321388 is a wasteful number, since it uses less digits than its factorization.

6623492321388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2773656957 (or 2773656955 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 57.

The spelling of 6623492321388 in words is "six trillion, six hundred twenty-three billion, four hundred ninety-two million, three hundred twenty-one thousand, three hundred eighty-eight".