9728008051 has 2 divisors, whose sum is σ = 9728008052. Its totient is φ = 9728008050.

The previous prime is 9728008027. The next prime is 9728008061. The reversal of 9728008051 is 1508008279.

It is a strong prime.

It is an emirp because it is prime and its reverse (1508008279) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9728008051 - 2⁹ = 9728007539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9728007995 and 9728008013.

It is not a weakly prime, because it can be changed into another prime (9728008061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4864004025 + 4864004026.

It is an arithmetic number, because the mean of its divisors is an integer number (4864004026).

Almost surely, 2^9728008051 is an apocalyptic number.

9728008051 is a deficient number, since it is larger than the sum of its proper divisors (1).

9728008051 is an equidigital number, since it uses as much as digits as its factorization.

9728008051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 9728008051 is about 98630.6648613909. The cubic root of 9728008051 is about 2134.7219078837.

The spelling of 9728008051 in words is "nine billion, seven hundred twenty-eight million, eight thousand, fifty-one".