16836867049 has 2 divisors, whose sum is σ = 16836867050. Its totient is φ = 16836867048.

The previous prime is 16836867037. The next prime is 16836867097. The reversal of 16836867049 is 94076863861.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12011064025 + 4825803024 = 109595^2 + 69468^2 .

It is a cyclic number.

It is not a de Polignac number, because 16836867049 - 2⁵ = 16836867017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16836866984 and 16836867002.

It is not a weakly prime, because it can be changed into another prime (16836867449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8418433524 + 8418433525.

It is an arithmetic number, because the mean of its divisors is an integer number (8418433525).

Almost surely, 2^16836867049 is an apocalyptic number.

It is an amenable number.

16836867049 is a deficient number, since it is larger than the sum of its proper divisors (1).

16836867049 is an equidigital number, since it uses as much as digits as its factorization.

16836867049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 16836867049 in words is "sixteen billion, eight hundred thirty-six million, eight hundred sixty-seven thousand, forty-nine".