16725044069 has 2 divisors, whose sum is σ = 16725044070. Its totient is φ = 16725044068.

The previous prime is 16725044003. The next prime is 16725044093. The reversal of 16725044069 is 96044052761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11591321569 + 5133722500 = 107663^2 + 71650^2 .

It is a cyclic number.

It is not a de Polignac number, because 16725044069 - 2¹⁶ = 16724978533 is a prime.

It is a super-2 number, since 2×16725044069² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16725040069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8362522034 + 8362522035.

It is an arithmetic number, because the mean of its divisors is an integer number (8362522035).

Almost surely, 2^16725044069 is an apocalyptic number.

It is an amenable number.

16725044069 is a deficient number, since it is larger than the sum of its proper divisors (1).

16725044069 is an equidigital number, since it uses as much as digits as its factorization.

16725044069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 16725044069 in words is "sixteen billion, seven hundred twenty-five million, forty-four thousand, sixty-nine".