9767752949 has 2 divisors, whose sum is σ = 9767752950. Its totient is φ = 9767752948.

The previous prime is 9767752909. The next prime is 9767752991. The reversal of 9767752949 is 9492577679.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9052190449 + 715562500 = 95143^2 + 26750^2 .

It is a cyclic number.

It is not a de Polignac number, because 9767752949 - 2³² = 5472785653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9767752909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4883876474 + 4883876475.

It is an arithmetic number, because the mean of its divisors is an integer number (4883876475).

Almost surely, 2^9767752949 is an apocalyptic number.

It is an amenable number.

9767752949 is a deficient number, since it is larger than the sum of its proper divisors (1).

9767752949 is an equidigital number, since it uses as much as digits as its factorization.

9767752949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60011280, while the sum is 65.

The square root of 9767752949 is about 98831.9429587418. The cubic root of 9767752949 is about 2137.6251750458.

The spelling of 9767752949 in words is "nine billion, seven hundred sixty-seven million, seven hundred fifty-two thousand, nine hundred forty-nine".