6623492321393 has 2 divisors, whose sum is σ = 6623492321394. Its totient is φ = 6623492321392.

The previous prime is 6623492321387. The next prime is 6623492321461. The reversal of 6623492321393 is 3931232943266.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6441327252529 + 182165068864 = 2537977^2 + 426808^2 .

It is a cyclic number.

It is not a de Polignac number, because 6623492321393 - 2⁴ = 6623492321377 is a prime.

It is not a weakly prime, because it can be changed into another prime (6623492221393) 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 as a sum of consecutive naturals, namely, 3311746160696 + 3311746160697.

It is an arithmetic number, because the mean of its divisors is an integer number (3311746160697).

Almost surely, 2^{6623492321393} is an apocalyptic number.

It is an amenable number.

6623492321393 is a deficient number, since it is larger than the sum of its proper divisors (1).

6623492321393 is an equidigital number, since it uses as much as digits as its factorization.

6623492321393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7558272, while the sum is 53.

The spelling of 6623492321393 in words is "six trillion, six hundred twenty-three billion, four hundred ninety-two million, three hundred twenty-one thousand, three hundred ninety-three".