6623438190829 has 2 divisors, whose sum is σ = 6623438190830. Its totient is φ = 6623438190828.

The previous prime is 6623438190769. The next prime is 6623438190883. The reversal of 6623438190829 is 9280918343266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5224013072100 + 1399425118729 = 2285610^2 + 1182973^2 .

It is a cyclic number.

It is not a de Polignac number, because 6623438190829 - 2¹¹ = 6623438188781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6623438190899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3311719095414 + 3311719095415.

It is an arithmetic number, because the mean of its divisors is an integer number (3311719095415).

Almost surely, 2^{6623438190829} is an apocalyptic number.

It is an amenable number.

6623438190829 is a deficient number, since it is larger than the sum of its proper divisors (1).

6623438190829 is an equidigital number, since it uses as much as digits as its factorization.

6623438190829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26873856, while the sum is 61.

The spelling of 6623438190829 in words is "six trillion, six hundred twenty-three billion, four hundred thirty-eight million, one hundred ninety thousand, eight hundred twenty-nine".