7982132449 has 2 divisors, whose sum is σ = 7982132450. Its totient is φ = 7982132448.

The previous prime is 7982132381. The next prime is 7982132453. The reversal of 7982132449 is 9442312897.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4993542225 + 2988590224 = 70665^2 + 54668^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7982132449 is a prime.

It is not a weakly prime, because it can be changed into another prime (7982132549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3991066224 + 3991066225.

It is an arithmetic number, because the mean of its divisors is an integer number (3991066225).

Almost surely, 2^7982132449 is an apocalyptic number.

It is an amenable number.

7982132449 is a deficient number, since it is larger than the sum of its proper divisors (1).

7982132449 is an equidigital number, since it uses as much as digits as its factorization.

7982132449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 49.

The square root of 7982132449 is about 89342.7806204844. The cubic root of 7982132449 is about 1998.5099275344.

The spelling of 7982132449 in words is "seven billion, nine hundred eighty-two million, one hundred thirty-two thousand, four hundred forty-nine".