7929428715793 has 4 divisors (see below), whose sum is σ = 8539384770868. Its totient is φ = 7319472660720.

The previous prime is 7929428715779. The next prime is 7929428715809. The reversal of 7929428715793 is 3975178249297.

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 901876907584 + 7027551808209 = 949672^2 + 2650953^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7929428715793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7929428715713) 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, 304978027518 + ... + 304978027543.

It is an arithmetic number, because the mean of its divisors is an integer number (2134846192717).

Almost surely, 2^{7929428715793} is an apocalyptic number.

It is an amenable number.

7929428715793 is a deficient number, since it is larger than the sum of its proper divisors (609956055075).

7929428715793 is a wasteful number, since it uses less digits than its factorization.

7929428715793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609956055074.

The product of its digits is 480090240, while the sum is 73.

The spelling of 7929428715793 in words is "seven trillion, nine hundred twenty-nine billion, four hundred twenty-eight million, seven hundred fifteen thousand, seven hundred ninety-three".