16836247889 has 2 divisors, whose sum is σ = 16836247890. Its totient is φ = 16836247888.

The previous prime is 16836247853. The next prime is 16836247933. The reversal of 16836247889 is 98874263861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8875147264 + 7961100625 = 94208^2 + 89225^2 .

It is an emirp because it is prime and its reverse (98874263861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16836247889 - 2¹² = 16836243793 is a prime.

It is not a weakly prime, because it can be changed into another prime (16836247829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8418123944 + 8418123945.

It is an arithmetic number, because the mean of its divisors is an integer number (8418123945).

Almost surely, 2^16836247889 is an apocalyptic number.

It is an amenable number.

16836247889 is a deficient number, since it is larger than the sum of its proper divisors (1).

16836247889 is an equidigital number, since it uses as much as digits as its factorization.

16836247889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27869184, while the sum is 62.

The spelling of 16836247889 in words is "sixteen billion, eight hundred thirty-six million, two hundred forty-seven thousand, eight hundred eighty-nine".