17992011049 has 2 divisors, whose sum is σ = 17992011050. Its totient is φ = 17992011048.

The previous prime is 17992010987. The next prime is 17992011067. The reversal of 17992011049 is 94011029971.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13448577024 + 4543434025 = 115968^2 + 67405^2 .

It is a cyclic number.

It is not a de Polignac number, because 17992011049 - 2¹¹ = 17992009001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 17992010996 and 17992011014.

It is not a weakly prime, because it can be changed into another prime (17992011749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8996005524 + 8996005525.

It is an arithmetic number, because the mean of its divisors is an integer number (8996005525).

Almost surely, 2^17992011049 is an apocalyptic number.

It is an amenable number.

17992011049 is a deficient number, since it is larger than the sum of its proper divisors (1).

17992011049 is an equidigital number, since it uses as much as digits as its factorization.

17992011049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 43.

It can be divided in two parts, 179920 and 11049, that added together give a square (190969 = 437²).

The spelling of 17992011049 in words is "seventeen billion, nine hundred ninety-two million, eleven thousand, forty-nine".