9190919100689 has 2 divisors, whose sum is σ = 9190919100690. Its totient is φ = 9190919100688.

The previous prime is 9190919100677. The next prime is 9190919100721. The reversal of 9190919100689 is 9860019190919.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6692569000000 + 2498350100689 = 2587000^2 + 1580617^2 .

It is a cyclic number.

It is not a de Polignac number, because 9190919100689 - 2²⁸ = 9190650665233 is a prime.

It is not a weakly prime, because it can be changed into another prime (9190919100089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4595459550344 + 4595459550345.

It is an arithmetic number, because the mean of its divisors is an integer number (4595459550345).

Almost surely, 2^{9190919100689} is an apocalyptic number.

It is an amenable number.

9190919100689 is a deficient number, since it is larger than the sum of its proper divisors (1).

9190919100689 is an equidigital number, since it uses as much as digits as its factorization.

9190919100689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2834352, while the sum is 62.

The spelling of 9190919100689 in words is "nine trillion, one hundred ninety billion, nine hundred nineteen million, one hundred thousand, six hundred eighty-nine".