7973133713 has 4 divisors (see below), whose sum is σ = 7980272820. Its totient is φ = 7965994608.

The previous prime is 7973133703. The next prime is 7973133719. The reversal of 7973133713 is 3173313797.

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 386201104 + 7586932609 = 19652^2 + 87103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7973133713 is a prime.

It is a super-2 number, since 2×7973133713² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7973133719) 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, 3567878 + ... + 3570111.

It is an arithmetic number, because the mean of its divisors is an integer number (1995068205).

Almost surely, 2^7973133713 is an apocalyptic number.

It is an amenable number.

7973133713 is a deficient number, since it is larger than the sum of its proper divisors (7139107).

7973133713 is a wasteful number, since it uses less digits than its factorization.

7973133713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7139106.

The product of its digits is 250047, while the sum is 44.

The square root of 7973133713 is about 89292.4056849181. The cubic root of 7973133713 is about 1997.7586318227.

The spelling of 7973133713 in words is "seven billion, nine hundred seventy-three million, one hundred thirty-three thousand, seven hundred thirteen".