9423974707289 has 2 divisors, whose sum is σ = 9423974707290. Its totient is φ = 9423974707288.

The previous prime is 9423974707261. The next prime is 9423974707297. The reversal of 9423974707289 is 9827074793249.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8373308706889 + 1050666000400 = 2893667^2 + 1025020^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9423974707289 is a prime.

It is a super-2 number, since 2×9423974707289² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9423974707489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4711987353644 + 4711987353645.

It is an arithmetic number, because the mean of its divisors is an integer number (4711987353645).

Almost surely, 2^{9423974707289} is an apocalyptic number.

It is an amenable number.

9423974707289 is a deficient number, since it is larger than the sum of its proper divisors (1).

9423974707289 is an equidigital number, since it uses as much as digits as its factorization.

9423974707289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384072192, while the sum is 71.

The spelling of 9423974707289 in words is "nine trillion, four hundred twenty-three billion, nine hundred seventy-four million, seven hundred seven thousand, two hundred eighty-nine".