9009910073 has 2 divisors, whose sum is σ = 9009910074. Its totient is φ = 9009910072.

The previous prime is 9009909983. The next prime is 9009910081. The reversal of 9009910073 is 3700199009.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8710862224 + 299047849 = 93332^2 + 17293^2 .

It is a cyclic number.

It is not a de Polignac number, because 9009910073 - 2⁸ = 9009909817 is a prime.

It is not a weakly prime, because it can be changed into another prime (9009910093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4504955036 + 4504955037.

It is an arithmetic number, because the mean of its divisors is an integer number (4504955037).

Almost surely, 2^9009910073 is an apocalyptic number.

It is an amenable number.

9009910073 is a deficient number, since it is larger than the sum of its proper divisors (1).

9009910073 is an equidigital number, since it uses as much as digits as its factorization.

9009910073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15309, while the sum is 38.

The square root of 9009910073 is about 94920.5461056772. The cubic root of 9009910073 is about 2080.8470164252.

The spelling of 9009910073 in words is "nine billion, nine million, nine hundred ten thousand, seventy-three".