7950000728643 has 8 divisors (see below), whose sum is σ = 10606047756048. Its totient is φ = 5296977093504.

The previous prime is 7950000728641. The next prime is 7950000728671. The reversal of 7950000728643 is 3468270000597.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7950000728643 - 2¹ = 7950000728641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7950000728641) 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 7 ways as a sum of consecutive naturals, for example, 755841930 + ... + 755852447.

It is an arithmetic number, because the mean of its divisors is an integer number (1325755969506).

Almost surely, 2^{7950000728643} is an apocalyptic number.

7950000728643 is a deficient number, since it is larger than the sum of its proper divisors (2656047027405).

7950000728643 is a wasteful number, since it uses less digits than its factorization.

7950000728643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511696133.

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 7950000728643 in words is "seven trillion, nine hundred fifty billion, seven hundred twenty-eight thousand, six hundred forty-three".