8180953469 has 8 divisors (see below), whose sum is σ = 9328508280. Its totient is φ = 7107434496.

The previous prime is 8180953453. The next prime is 8180953507. The reversal of 8180953469 is 9643590818.

It can be written as a sum of positive squares in 4 ways, for example, as 2102500 + 8178850969 = 1450^2 + 90437^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8180953469 - 2⁴ = 8180953453 is a prime.

It is a super-2 number, since 2×8180953469² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8180953469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8180953369) 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 7 ways as a sum of consecutive naturals, for example, 18508724 + ... + 18509165.

It is an arithmetic number, because the mean of its divisors is an integer number (1166063535).

Almost surely, 2^8180953469 is an apocalyptic number.

It is an amenable number.

8180953469 is a deficient number, since it is larger than the sum of its proper divisors (1147554811).

8180953469 is a wasteful number, since it uses less digits than its factorization.

8180953469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37017919.

The product of its (nonzero) digits is 1866240, while the sum is 53.

The square root of 8180953469 is about 90448.6233670806. The cubic root of 8180953469 is about 2014.9671682796.

The spelling of 8180953469 in words is "eight billion, one hundred eighty million, nine hundred fifty-three thousand, four hundred sixty-nine".