38469800223821 has 2 divisors, whose sum is σ = 38469800223822. Its totient is φ = 38469800223820.

The previous prime is 38469800223797. The next prime is 38469800223839. The reversal of 38469800223821 is 12832200896483.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30655600562500 + 7814199661321 = 5536750^2 + 2795389^2 .

It is a cyclic number.

It is not a de Polignac number, because 38469800223821 - 2¹⁰ = 38469800222797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38469800225821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19234900111910 + 19234900111911.

It is an arithmetic number, because the mean of its divisors is an integer number (19234900111911).

Almost surely, 2^{38469800223821} is an apocalyptic number.

It is an amenable number.

38469800223821 is a deficient number, since it is larger than the sum of its proper divisors (1).

38469800223821 is an equidigital number, since it uses as much as digits as its factorization.

38469800223821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7962624, while the sum is 56.

The spelling of 38469800223821 in words is "thirty-eight trillion, four hundred sixty-nine billion, eight hundred million, two hundred twenty-three thousand, eight hundred twenty-one".