9023144729 has 2 divisors, whose sum is σ = 9023144730. Its totient is φ = 9023144728.

The previous prime is 9023144717. The next prime is 9023144731. The reversal of 9023144729 is 9274413209.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7965919504 + 1057225225 = 89252^2 + 32515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9023144729 is a prime.

Together with 9023144731, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9023144759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4511572364 + 4511572365.

It is an arithmetic number, because the mean of its divisors is an integer number (4511572365).

Almost surely, 2^9023144729 is an apocalyptic number.

It is an amenable number.

9023144729 is a deficient number, since it is larger than the sum of its proper divisors (1).

9023144729 is an equidigital number, since it uses as much as digits as its factorization.

9023144729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 9023144729 is about 94990.2349139110. The cubic root of 9023144729 is about 2081.8653699591.

The spelling of 9023144729 in words is "nine billion, twenty-three million, one hundred forty-four thousand, seven hundred twenty-nine".