7231812853 has 8 divisors (see below), whose sum is σ = 7483951800. Its totient is φ = 6979858368.

The previous prime is 7231812823. The next prime is 7231812857. The reversal of 7231812853 is 3582181327.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1324814404 + 5906998449 = 36398^2 + 76857^2 .

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 7231812853 - 2⁵ = 7231812821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7231812857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36175 + ... + 125587.

It is an arithmetic number, because the mean of its divisors is an integer number (935493975).

Almost surely, 2^7231812853 is an apocalyptic number.

It is an amenable number.

7231812853 is a deficient number, since it is larger than the sum of its proper divisors (252138947).

7231812853 is a wasteful number, since it uses less digits than its factorization.

7231812853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92231.

The product of its digits is 80640, while the sum is 40.

The square root of 7231812853 is about 85040.0661629564. The cubic root of 7231812853 is about 1933.8185696782.

The spelling of 7231812853 in words is "seven billion, two hundred thirty-one million, eight hundred twelve thousand, eight hundred fifty-three".