8281949087 has 2 divisors, whose sum is σ = 8281949088. Its totient is φ = 8281949086.

The previous prime is 8281948967. The next prime is 8281949107. The reversal of 8281949087 is 7809491828.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8281949087 - 2¹⁸ = 8281686943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8281949287) 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, 4140974543 + 4140974544.

It is an arithmetic number, because the mean of its divisors is an integer number (4140974544).

Almost surely, 2^8281949087 is an apocalyptic number.

8281949087 is a deficient number, since it is larger than the sum of its proper divisors (1).

8281949087 is an equidigital number, since it uses as much as digits as its factorization.

8281949087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 56.

The square root of 8281949087 is about 91005.2146143286. The cubic root of 8281949087 is about 2023.2250126764.

The spelling of 8281949087 in words is "eight billion, two hundred eighty-one million, nine hundred forty-nine thousand, eighty-seven".