9643674373 has 2 divisors, whose sum is σ = 9643674374. Its totient is φ = 9643674372.

The previous prime is 9643674319. The next prime is 9643674379. The reversal of 9643674373 is 3734763469.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5586366564 + 4057307809 = 74742^2 + 63697^2 .

It is a cyclic number.

It is not a de Polignac number, because 9643674373 - 2²¹ = 9641577221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9643674373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9643674379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4821837186 + 4821837187.

It is an arithmetic number, because the mean of its divisors is an integer number (4821837187).

Almost surely, 2^9643674373 is an apocalyptic number.

It is an amenable number.

9643674373 is a deficient number, since it is larger than the sum of its proper divisors (1).

9643674373 is an equidigital number, since it uses as much as digits as its factorization.

9643674373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6858432, while the sum is 52.

The square root of 9643674373 is about 98202.2116502475. The cubic root of 9643674373 is about 2128.5352455319.

The spelling of 9643674373 in words is "nine billion, six hundred forty-three million, six hundred seventy-four thousand, three hundred seventy-three".