9101953661 has 2 divisors, whose sum is σ = 9101953662. Its totient is φ = 9101953660.

The previous prime is 9101953649. The next prime is 9101953669. The reversal of 9101953661 is 1663591019.

9101953661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7487440900 + 1614512761 = 86530^2 + 40181^2 .

It is a cyclic number.

It is not a de Polignac number, because 9101953661 - 2³⁰ = 8028211837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9101953669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4550976830 + 4550976831.

It is an arithmetic number, because the mean of its divisors is an integer number (4550976831).

Almost surely, 2^9101953661 is an apocalyptic number.

It is an amenable number.

9101953661 is a deficient number, since it is larger than the sum of its proper divisors (1).

9101953661 is an equidigital number, since it uses as much as digits as its factorization.

9101953661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43740, while the sum is 41.

The square root of 9101953661 is about 95404.1595581660. The cubic root of 9101953661 is about 2087.9088736238.

The spelling of 9101953661 in words is "nine billion, one hundred one million, nine hundred fifty-three thousand, six hundred sixty-one".