117604649 has 2 divisors, whose sum is σ = 117604650. Its totient is φ = 117604648.

The previous prime is 117604603. The next prime is 117604651. The reversal of 117604649 is 946406711.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103164649 + 14440000 = 10157^2 + 3800^2 .

It is a cyclic number.

It is not a de Polignac number, because 117604649 - 2⁸ = 117604393 is a prime.

Together with 117604651, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (117604349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58802324 + 58802325.

It is an arithmetic number, because the mean of its divisors is an integer number (58802325).

Almost surely, 2^117604649 is an apocalyptic number.

It is an amenable number.

117604649 is a deficient number, since it is larger than the sum of its proper divisors (1).

117604649 is an equidigital number, since it uses as much as digits as its factorization.

117604649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 117604649 is about 10844.5677184478. The cubic root of 117604649 is about 489.9384193055.

The spelling of 117604649 in words is "one hundred seventeen million, six hundred four thousand, six hundred forty-nine".