8942973829 has 2 divisors, whose sum is σ = 8942973830. Its totient is φ = 8942973828.

The previous prime is 8942973791. The next prime is 8942973839. The reversal of 8942973829 is 9283792498.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5321702500 + 3621271329 = 72950^2 + 60177^2 .

It is a cyclic number.

It is not a de Polignac number, because 8942973829 - 2⁹ = 8942973317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8942973839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4471486914 + 4471486915.

It is an arithmetic number, because the mean of its divisors is an integer number (4471486915).

Almost surely, 2^8942973829 is an apocalyptic number.

It is an amenable number.

8942973829 is a deficient number, since it is larger than the sum of its proper divisors (1).

8942973829 is an equidigital number, since it uses as much as digits as its factorization.

8942973829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15676416, while the sum is 61.

The square root of 8942973829 is about 94567.2978835707. The cubic root of 8942973829 is about 2075.6812069496.

The spelling of 8942973829 in words is "eight billion, nine hundred forty-two million, nine hundred seventy-three thousand, eight hundred twenty-nine".