7180730853 has 4 divisors (see below), whose sum is σ = 9574307808. Its totient is φ = 4787153900.

The previous prime is 7180730789. The next prime is 7180730873. The reversal of 7180730853 is 3580370817.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7180730853 - 2⁶ = 7180730789 is a prime.

It is a super-2 number, since 2×7180730853² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7180730873) 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, 1196788473 + ... + 1196788478.

It is an arithmetic number, because the mean of its divisors is an integer number (2393576952).

Almost surely, 2^7180730853 is an apocalyptic number.

It is an amenable number.

7180730853 is a deficient number, since it is larger than the sum of its proper divisors (2393576955).

7180730853 is a wasteful number, since it uses less digits than its factorization.

7180730853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393576954.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 7180730853 is about 84739.1931339920. The cubic root of 7180730853 is about 1929.2546230831.

The spelling of 7180730853 in words is "seven billion, one hundred eighty million, seven hundred thirty thousand, eight hundred fifty-three".