9190919100089 has 2 divisors, whose sum is σ = 9190919100090. Its totient is φ = 9190919100088.

The previous prime is 9190919100073. The next prime is 9190919100101. The reversal of 9190919100089 is 9800019190919.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9095803605625 + 95115494464 = 3015925^2 + 308408^2 .

It is a cyclic number.

It is not a de Polignac number, because 9190919100089 - 2⁴ = 9190919100073 is a prime.

It is not a weakly prime, because it can be changed into another prime (9190919100689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4595459550044 + 4595459550045.

It is an arithmetic number, because the mean of its divisors is an integer number (4595459550045).

Almost surely, 2^{9190919100089} is an apocalyptic number.

It is an amenable number.

9190919100089 is a deficient number, since it is larger than the sum of its proper divisors (1).

9190919100089 is an equidigital number, since it uses as much as digits as its factorization.

9190919100089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 472392, while the sum is 56.

The spelling of 9190919100089 in words is "nine trillion, one hundred ninety billion, nine hundred nineteen million, one hundred thousand, eighty-nine".