10091919169 has 2 divisors, whose sum is σ = 10091919170. Its totient is φ = 10091919168.

The previous prime is 10091919133. The next prime is 10091919199. The reversal of 10091919169 is 96191919001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5758988544 + 4332930625 = 75888^2 + 65825^2 .

It is a cyclic number.

It is not a de Polignac number, because 10091919169 - 2⁷ = 10091919041 is a prime.

It is a super-2 number, since 2×10091919169² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10091919199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5045959584 + 5045959585.

It is an arithmetic number, because the mean of its divisors is an integer number (5045959585).

Almost surely, 2^10091919169 is an apocalyptic number.

It is an amenable number.

10091919169 is a deficient number, since it is larger than the sum of its proper divisors (1).

10091919169 is an equidigital number, since it uses as much as digits as its factorization.

10091919169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39366, while the sum is 46.

The spelling of 10091919169 in words is "ten billion, ninety-one million, nine hundred nineteen thousand, one hundred sixty-nine".