9617616149 has 2 divisors, whose sum is σ = 9617616150. Its totient is φ = 9617616148.

The previous prime is 9617616133. The next prime is 9617616241. The reversal of 9617616149 is 9416167169.

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., 8976615025 + 641001124 = 94745^2 + 25318^2 .

It is a cyclic number.

It is not a de Polignac number, because 9617616149 - 2⁴ = 9617616133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9617616097 and 9617616106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9617646149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4808808074 + 4808808075.

It is an arithmetic number, because the mean of its divisors is an integer number (4808808075).

Almost surely, 2^9617616149 is an apocalyptic number.

It is an amenable number.

9617616149 is a deficient number, since it is larger than the sum of its proper divisors (1).

9617616149 is an equidigital number, since it uses as much as digits as its factorization.

9617616149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 50.

The square root of 9617616149 is about 98069.4455424318. The cubic root of 9617616149 is about 2126.6163406487.

The spelling of 9617616149 in words is "nine billion, six hundred seventeen million, six hundred sixteen thousand, one hundred forty-nine".