9911476249 has 2 divisors, whose sum is σ = 9911476250. Its totient is φ = 9911476248.

The previous prime is 9911476213. The next prime is 9911476261. The reversal of 9911476249 is 9426741199.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7000334224 + 2911142025 = 83668^2 + 53955^2 .

It is a cyclic number.

It is not a de Polignac number, because 9911476249 - 2⁹ = 9911475737 is a prime.

It is a super-2 number, since 2×9911476249² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9911476196 and 9911476205.

It is not a weakly prime, because it can be changed into another prime (9911470249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4955738124 + 4955738125.

It is an arithmetic number, because the mean of its divisors is an integer number (4955738125).

Almost surely, 2^9911476249 is an apocalyptic number.

It is an amenable number.

9911476249 is a deficient number, since it is larger than the sum of its proper divisors (1).

9911476249 is an equidigital number, since it uses as much as digits as its factorization.

9911476249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 52.

The square root of 9911476249 is about 99556.3973283485. The cubic root of 9911476249 is about 2148.0585501930.

The spelling of 9911476249 in words is "nine billion, nine hundred eleven million, four hundred seventy-six thousand, two hundred forty-nine".