8614191749 has 2 divisors, whose sum is σ = 8614191750. Its totient is φ = 8614191748.

The previous prime is 8614191661. The next prime is 8614191757. The reversal of 8614191749 is 9471914168.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8564206849 + 49984900 = 92543^2 + 7070^2 .

It is a cyclic number.

It is not a de Polignac number, because 8614191749 - 2²⁴ = 8597414533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8614191697 and 8614191706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8614191779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4307095874 + 4307095875.

It is an arithmetic number, because the mean of its divisors is an integer number (4307095875).

Almost surely, 2^8614191749 is an apocalyptic number.

It is an amenable number.

8614191749 is a deficient number, since it is larger than the sum of its proper divisors (1).

8614191749 is an equidigital number, since it uses as much as digits as its factorization.

8614191749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 50.

The square root of 8614191749 is about 92812.6701964769. The cubic root of 8614191749 is about 2049.9259738488.

The spelling of 8614191749 in words is "eight billion, six hundred fourteen million, one hundred ninety-one thousand, seven hundred forty-nine".