8745469261 has 4 divisors (see below), whose sum is σ = 8747044092. Its totient is φ = 8743894432.

The previous prime is 8745469259. The next prime is 8745469319. The reversal of 8745469261 is 1629645478.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1629645478 = 2 ⋅814822739.

It can be written as a sum of positive squares in 2 ways, for example, as 3178817161 + 5566652100 = 56381^2 + 74610^2 .

It is a cyclic number.

It is not a de Polignac number, because 8745469261 - 2¹ = 8745469259 is a prime.

It is a super-2 number, since 2×8745469261² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8745469199 and 8745469208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8745409261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 779056 + ... + 790201.

It is an arithmetic number, because the mean of its divisors is an integer number (2186761023).

Almost surely, 2^8745469261 is an apocalyptic number.

It is an amenable number.

8745469261 is a deficient number, since it is larger than the sum of its proper divisors (1574831).

8745469261 is a wasteful number, since it uses less digits than its factorization.

8745469261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574830.

The product of its digits is 2903040, while the sum is 52.

The square root of 8745469261 is about 93517.2137149092. The cubic root of 8745469261 is about 2060.2869224409.

The spelling of 8745469261 in words is "eight billion, seven hundred forty-five million, four hundred sixty-nine thousand, two hundred sixty-one".