8745404451169 has 9 divisors (see below), whose sum is σ = 8761803554707. Its totient is φ = 8729036000464.

The previous prime is 8745404451163. The next prime is 8745404451191. The reversal of 8745404451169 is 9611544045478.

The square root of 8745404451169 is 2957263.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3801505565025 + 4943898886144 = 1949745^2 + 2223488^2 .

It is not a de Polignac number, because 8745404451169 - 2¹⁹ = 8745403926881 is a prime.

It is a super-2 number, since 2×8745404451169² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8745404451163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1771398069 + ... + 1771403005.

Almost surely, 2^{8745404451169} is an apocalyptic number.

8745404451169 is the 2957263-rd square number.

8745404451169 is the 1478632-nd centered octagonal number.

It is an amenable number.

8745404451169 is a deficient number, since it is larger than the sum of its proper divisors (16399103538).

8745404451169 is an frugal number, since it uses more digits than its factorization.

8745404451169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11072 (or 5536 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 58.

The spelling of 8745404451169 in words is "eight trillion, seven hundred forty-five billion, four hundred four million, four hundred fifty-one thousand, one hundred sixty-nine".