22826409983989 has 2 divisors, whose sum is σ = 22826409983990. Its totient is φ = 22826409983988.

The previous prime is 22826409983929. The next prime is 22826409984031. The reversal of 22826409983989 is 98938990462822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11452586283889 + 11373823700100 = 3384167^2 + 3372510^2 .

It is a cyclic number.

It is not a de Polignac number, because 22826409983989 - 2¹³ = 22826409975797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22826409983929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11413204991994 + 11413204991995.

It is an arithmetic number, because the mean of its divisors is an integer number (11413204991995).

Almost surely, 2^{22826409983989} is an apocalyptic number.

It is an amenable number.

22826409983989 is a deficient number, since it is larger than the sum of its proper divisors (1).

22826409983989 is an equidigital number, since it uses as much as digits as its factorization.

22826409983989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1934917632, while the sum is 79.

The spelling of 22826409983989 in words is "twenty-two trillion, eight hundred twenty-six billion, four hundred nine million, nine hundred eighty-three thousand, nine hundred eighty-nine".