981482089 has 4 divisors (see below), whose sum is σ = 1121693824. Its totient is φ = 841270356.

The previous prime is 981482087. The next prime is 981482123. The reversal of 981482089 is 980284189.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 980284189 = 449 ⋅2183261.

It is a cyclic number.

It is not a de Polignac number, because 981482089 - 2¹ = 981482087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (981482087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70105857 + ... + 70105870.

It is an arithmetic number, because the mean of its divisors is an integer number (280423456).

Almost surely, 2^981482089 is an apocalyptic number.

It is an amenable number.

981482089 is a deficient number, since it is larger than the sum of its proper divisors (140211735).

981482089 is a wasteful number, since it uses less digits than its factorization.

981482089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140211734.

The product of its (nonzero) digits is 331776, while the sum is 49.

The square root of 981482089 is about 31328.6145400654. The cubic root of 981482089 is about 993.7888646694.

The spelling of 981482089 in words is "nine hundred eighty-one million, four hundred eighty-two thousand, eighty-nine".