7313728640753 has 4 divisors (see below), whose sum is σ = 7743947972580. Its totient is φ = 6883509308928.

The previous prime is 7313728640723. The next prime is 7313728640761. The reversal of 7313728640753 is 3570468273137.

It is a happy number.

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 2197414887424 + 5116313753329 = 1482368^2 + 2261927^2 .

It is a cyclic number.

It is not a de Polignac number, because 7313728640753 - 2³⁰ = 7312654898929 is a prime.

It is a super-3 number, since 3×7313728640753³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7313728640723) 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 3 ways as a sum of consecutive naturals, for example, 215109665888 + ... + 215109665921.

It is an arithmetic number, because the mean of its divisors is an integer number (1935986993145).

Almost surely, 2^{7313728640753} is an apocalyptic number.

It is an amenable number.

7313728640753 is a deficient number, since it is larger than the sum of its proper divisors (430219331827).

7313728640753 is a wasteful number, since it uses less digits than its factorization.

7313728640753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430219331826.

The product of its (nonzero) digits is 17781120, while the sum is 56.

The spelling of 7313728640753 in words is "seven trillion, three hundred thirteen billion, seven hundred twenty-eight million, six hundred forty thousand, seven hundred fifty-three".