9075643249 has 2 divisors, whose sum is σ = 9075643250. Its totient is φ = 9075643248.

The previous prime is 9075643237. The next prime is 9075643267. The reversal of 9075643249 is 9423465709.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5396371600 + 3679271649 = 73460^2 + 60657^2 .

It is a cyclic number.

It is not a de Polignac number, because 9075643249 - 2¹⁷ = 9075512177 is a prime.

It is not a weakly prime, because it can be changed into another prime (9075643229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4537821624 + 4537821625.

It is an arithmetic number, because the mean of its divisors is an integer number (4537821625).

Almost surely, 2^9075643249 is an apocalyptic number.

It is an amenable number.

9075643249 is a deficient number, since it is larger than the sum of its proper divisors (1).

9075643249 is an equidigital number, since it uses as much as digits as its factorization.

9075643249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The square root of 9075643249 is about 95266.1705381296. The cubic root of 9075643249 is about 2085.8951389538.

The spelling of 9075643249 in words is "nine billion, seventy-five million, six hundred forty-three thousand, two hundred forty-nine".