117783043249 has 2 divisors, whose sum is σ = 117783043250. Its totient is φ = 117783043248.

The previous prime is 117783043247. The next prime is 117783043267. The reversal of 117783043249 is 942340387711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113008924224 + 4774119025 = 336168^2 + 69095^2 .

It is a cyclic number.

It is not a de Polignac number, because 117783043249 - 2¹ = 117783043247 is a prime.

Together with 117783043247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (117783043247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58891521624 + 58891521625.

It is an arithmetic number, because the mean of its divisors is an integer number (58891521625).

Almost surely, 2^117783043249 is an apocalyptic number.

It is an amenable number.

117783043249 is a deficient number, since it is larger than the sum of its proper divisors (1).

117783043249 is an equidigital number, since it uses as much as digits as its factorization.

117783043249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 117783043249 in words is "one hundred seventeen billion, seven hundred eighty-three million, forty-three thousand, two hundred forty-nine".