8574639841 has 2 divisors, whose sum is σ = 8574639842. Its totient is φ = 8574639840.

The previous prime is 8574639797. The next prime is 8574639859. The reversal of 8574639841 is 1489364758.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6645673441 + 1928966400 = 81521^2 + 43920^2 .

It is a cyclic number.

It is not a de Polignac number, because 8574639841 - 2¹⁵ = 8574607073 is a prime.

It is not a weakly prime, because it can be changed into another prime (8574631841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4287319920 + 4287319921.

It is an arithmetic number, because the mean of its divisors is an integer number (4287319921).

Almost surely, 2^8574639841 is an apocalyptic number.

It is an amenable number.

8574639841 is a deficient number, since it is larger than the sum of its proper divisors (1).

8574639841 is an equidigital number, since it uses as much as digits as its factorization.

8574639841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5806080, while the sum is 55.

The square root of 8574639841 is about 92599.3511910316. The cubic root of 8574639841 is about 2046.7837602579.

The spelling of 8574639841 in words is "eight billion, five hundred seventy-four million, six hundred thirty-nine thousand, eight hundred forty-one".