19899882826027 has 2 divisors, whose sum is σ = 19899882826028. Its totient is φ = 19899882826026.

The previous prime is 19899882825959. The next prime is 19899882826039. The reversal of 19899882826027 is 72062828899891.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19899882826027 - 2⁷ = 19899882825899 is a prime.

It is not a weakly prime, because it can be changed into another prime (19899882826127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9949941413013 + 9949941413014.

It is an arithmetic number, because the mean of its divisors is an integer number (9949941413014).

Almost surely, 2^{19899882826027} is an apocalyptic number.

19899882826027 is a deficient number, since it is larger than the sum of its proper divisors (1).

19899882826027 is an equidigital number, since it uses as much as digits as its factorization.

19899882826027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1003290624, while the sum is 79.

The spelling of 19899882826027 in words is "nineteen trillion, eight hundred ninety-nine billion, eight hundred eighty-two million, eight hundred twenty-six thousand, twenty-seven".