9750390901 has 2 divisors, whose sum is σ = 9750390902. Its totient is φ = 9750390900.

The previous prime is 9750390899. The next prime is 9750391031. The reversal of 9750390901 is 1090930579.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5933004676 + 3817386225 = 77026^2 + 61785^2 .

It is a cyclic number.

It is not a de Polignac number, because 9750390901 - 2¹ = 9750390899 is a prime.

Together with 9750390899, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9750330901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4875195450 + 4875195451.

It is an arithmetic number, because the mean of its divisors is an integer number (4875195451).

Almost surely, 2^9750390901 is an apocalyptic number.

It is an amenable number.

9750390901 is a deficient number, since it is larger than the sum of its proper divisors (1).

9750390901 is an equidigital number, since it uses as much as digits as its factorization.

9750390901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 76545, while the sum is 43.

The square root of 9750390901 is about 98744.0676749748. The cubic root of 9750390901 is about 2136.3578906649.

The spelling of 9750390901 in words is "nine billion, seven hundred fifty million, three hundred ninety thousand, nine hundred one".