8514782149 has 2 divisors, whose sum is σ = 8514782150. Its totient is φ = 8514782148.

The previous prime is 8514782141. The next prime is 8514782203. The reversal of 8514782149 is 9412874158.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7553348100 + 961434049 = 86910^2 + 31007^2 .

It is a cyclic number.

It is not a de Polignac number, because 8514782149 - 2³ = 8514782141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8514782141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4257391074 + 4257391075.

It is an arithmetic number, because the mean of its divisors is an integer number (4257391075).

Almost surely, 2^8514782149 is an apocalyptic number.

It is an amenable number.

8514782149 is a deficient number, since it is larger than the sum of its proper divisors (1).

8514782149 is an equidigital number, since it uses as much as digits as its factorization.

8514782149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 49.

The square root of 8514782149 is about 92275.5772076230. The cubic root of 8514782149 is about 2042.0099174596.

The spelling of 8514782149 in words is "eight billion, five hundred fourteen million, seven hundred eighty-two thousand, one hundred forty-nine".