7648404853 has 4 divisors (see below), whose sum is σ = 7648581708. Its totient is φ = 7648228000.

The previous prime is 7648404851. The next prime is 7648404857. The reversal of 7648404853 is 3584048467.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5968798564 + 1679606289 = 77258^2 + 40983^2 .

It is a cyclic number.

It is not a de Polignac number, because 7648404853 - 2¹ = 7648404851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7648404797 and 7648404806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7648404851) 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 3 ways as a sum of consecutive naturals, for example, 24603 + ... + 126103.

It is an arithmetic number, because the mean of its divisors is an integer number (1912145427).

Almost surely, 2^7648404853 is an apocalyptic number.

It is an amenable number.

7648404853 is a deficient number, since it is larger than the sum of its proper divisors (176855).

7648404853 is a wasteful number, since it uses less digits than its factorization.

7648404853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176854.

The product of its (nonzero) digits is 2580480, while the sum is 49.

The square root of 7648404853 is about 87455.1590988205. The cubic root of 7648404853 is about 1970.2603736519.

The spelling of 7648404853 in words is "seven billion, six hundred forty-eight million, four hundred four thousand, eight hundred fifty-three".