16777370989 has 2 divisors, whose sum is σ = 16777370990. Its totient is φ = 16777370988.

The previous prime is 16777370977. The next prime is 16777370993. The reversal of 16777370989 is 98907377761.

16777370989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15735695364 + 1041675625 = 125442^2 + 32275^2 .

It is a cyclic number.

It is not a de Polignac number, because 16777370989 - 2¹⁷ = 16777239917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16777370989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16777370969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8388685494 + 8388685495.

It is an arithmetic number, because the mean of its divisors is an integer number (8388685495).

Almost surely, 2^16777370989 is an apocalyptic number.

It is an amenable number.

16777370989 is a deficient number, since it is larger than the sum of its proper divisors (1).

16777370989 is an equidigital number, since it uses as much as digits as its factorization.

16777370989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28005264, while the sum is 64.

The spelling of 16777370989 in words is "sixteen billion, seven hundred seventy-seven million, three hundred seventy thousand, nine hundred eighty-nine".