16464415049 has 2 divisors, whose sum is σ = 16464415050. Its totient is φ = 16464415048.

The previous prime is 16464415027. The next prime is 16464415063. The reversal of 16464415049 is 94051446461.

16464415049 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., 16219805449 + 244609600 = 127357^2 + 15640^2 .

It is a cyclic number.

It is not a de Polignac number, because 16464415049 - 2¹² = 16464410953 is a prime.

It is not a weakly prime, because it can be changed into another prime (16464417049) 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, 8232207524 + 8232207525.

It is an arithmetic number, because the mean of its divisors is an integer number (8232207525).

Almost surely, 2^16464415049 is an apocalyptic number.

It is an amenable number.

16464415049 is a deficient number, since it is larger than the sum of its proper divisors (1).

16464415049 is an equidigital number, since it uses as much as digits as its factorization.

16464415049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 16464415049 in words is "sixteen billion, four hundred sixty-four million, four hundred fifteen thousand, forty-nine".