9724743011 has 2 divisors, whose sum is σ = 9724743012. Its totient is φ = 9724743010.

The previous prime is 9724742983. The next prime is 9724743029. The reversal of 9724743011 is 1103474279.

It is a happy number.

9724743011 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (1103474279) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9724743011 - 2¹⁸ = 9724480867 is a prime.

It is a super-2 number, since 2×9724743011² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9724743811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4862371505 + 4862371506.

It is an arithmetic number, because the mean of its divisors is an integer number (4862371506).

Almost surely, 2^9724743011 is an apocalyptic number.

9724743011 is a deficient number, since it is larger than the sum of its proper divisors (1).

9724743011 is an equidigital number, since it uses as much as digits as its factorization.

9724743011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 9724743011 is about 98614.1116220189. Note that the first 3 decimals coincide. The cubic root of 9724743011 is about 2134.4830534917.

The spelling of 9724743011 in words is "nine billion, seven hundred twenty-four million, seven hundred forty-three thousand, eleven".