9911347965 has 24 divisors (see below), whose sum is σ = 17356787448. Its totient is φ = 5231554560.

The previous prime is 9911347867. The next prime is 9911347987. The reversal of 9911347965 is 5697431199.

It can be written as a sum of positive squares in 4 ways, for example, as 82410084 + 9828937881 = 9078^2 + 99141^2 .

It is not a de Polignac number, because 9911347965 - 2¹⁴ = 9911331581 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1130956 + ... + 1139685.

It is an arithmetic number, because the mean of its divisors is an integer number (723199477).

Almost surely, 2^9911347965 is an apocalyptic number.

It is an amenable number.

9911347965 is a deficient number, since it is larger than the sum of its proper divisors (7445439483).

9911347965 is a wasteful number, since it uses less digits than its factorization.

9911347965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270749 (or 2270746 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 54.

The square root of 9911347965 is about 99555.7530482292. The cubic root of 9911347965 is about 2148.0492827295.

The spelling of 9911347965 in words is "nine billion, nine hundred eleven million, three hundred forty-seven thousand, nine hundred sixty-five".