1117616449 has 2 divisors, whose sum is σ = 1117616450. Its totient is φ = 1117616448.

The previous prime is 1117616419. The next prime is 1117616477. The reversal of 1117616449 is 9446167111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 952031025 + 165585424 = 30855^2 + 12868^2 .

It is an emirp because it is prime and its reverse (9446167111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1117616449 - 2⁷ = 1117616321 is a prime.

It is not a weakly prime, because it can be changed into another prime (1117616419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558808224 + 558808225.

It is an arithmetic number, because the mean of its divisors is an integer number (558808225).

Almost surely, 2^1117616449 is an apocalyptic number.

It is an amenable number.

1117616449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117616449 is an equidigital number, since it uses as much as digits as its factorization.

1117616449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 40.

The square root of 1117616449 is about 33430.7709902120. The cubic root of 1117616449 is about 1037.7615962795.

The spelling of 1117616449 in words is "one billion, one hundred seventeen million, six hundred sixteen thousand, four hundred forty-nine".