99090000009137 has 2 divisors, whose sum is σ = 99090000009138. Its totient is φ = 99090000009136.

The previous prime is 99090000009079. The next prime is 99090000009233. The reversal of 99090000009137 is 73190000009099.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63205059925921 + 35884940083216 = 7950161^2 + 5990404^2 .

It is a cyclic number.

It is not a de Polignac number, because 99090000009137 - 2¹² = 99090000005041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99090000009091 and 99090000009100.

It is not a weakly prime, because it can be changed into another prime (99090000059137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49545000004568 + 49545000004569.

It is an arithmetic number, because the mean of its divisors is an integer number (49545000004569).

Almost surely, 2^{99090000009137} is an apocalyptic number.

It is an amenable number.

99090000009137 is a deficient number, since it is larger than the sum of its proper divisors (1).

99090000009137 is an equidigital number, since it uses as much as digits as its factorization.

99090000009137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 137781, while the sum is 47.

The spelling of 99090000009137 in words is "ninety-nine trillion, ninety billion, nine thousand, one hundred thirty-seven".