7264398653 has 8 divisors (see below), whose sum is σ = 7299959040. Its totient is φ = 7228883520.

The previous prime is 7264398521. The next prime is 7264398667. The reversal of 7264398653 is 3568934627.

It is a happy number.

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 7264398653 - 2⁸ = 7264398397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7264398595 and 7264398604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7264398353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336326 + ... + 357272.

It is an arithmetic number, because the mean of its divisors is an integer number (912494880).

Almost surely, 2^7264398653 is an apocalyptic number.

It is an amenable number.

7264398653 is a deficient number, since it is larger than the sum of its proper divisors (35560387).

7264398653 is a wasteful number, since it uses less digits than its factorization.

7264398653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22627.

The product of its digits is 6531840, while the sum is 53.

The square root of 7264398653 is about 85231.4416926054. The cubic root of 7264398653 is about 1936.7187468191.

The spelling of 7264398653 in words is "seven billion, two hundred sixty-four million, three hundred ninety-eight thousand, six hundred fifty-three".