8344352749 has 2 divisors, whose sum is σ = 8344352750. Its totient is φ = 8344352748.

The previous prime is 8344352747. The next prime is 8344352767. The reversal of 8344352749 is 9472534438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6315480900 + 2028871849 = 79470^2 + 45043^2 .

It is a cyclic number.

It is not a de Polignac number, because 8344352749 - 2¹ = 8344352747 is a prime.

Together with 8344352747, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8344352747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4172176374 + 4172176375.

It is an arithmetic number, because the mean of its divisors is an integer number (4172176375).

Almost surely, 2^8344352749 is an apocalyptic number.

It is an amenable number.

8344352749 is a deficient number, since it is larger than the sum of its proper divisors (1).

8344352749 is an equidigital number, since it uses as much as digits as its factorization.

8344352749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 49.

The square root of 8344352749 is about 91347.4288034425. The cubic root of 8344352749 is about 2028.2939024148.

The spelling of 8344352749 in words is "eight billion, three hundred forty-four million, three hundred fifty-two thousand, seven hundred forty-nine".