981493567039 has 8 divisors (see below), whose sum is σ = 996159939840. Its totient is φ = 966827700696.

The previous prime is 981493567009. The next prime is 981493567063. The reversal of 981493567039 is 930765394189.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 981493567039 - 2¹³ = 981493558847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981493567009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5915952 + ... + 6079594.

It is an arithmetic number, because the mean of its divisors is an integer number (124519992480).

Almost surely, 2^981493567039 is an apocalyptic number.

981493567039 is a deficient number, since it is larger than the sum of its proper divisors (14666372801).

981493567039 is a wasteful number, since it uses less digits than its factorization.

981493567039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253229.

The product of its (nonzero) digits is 44089920, while the sum is 64.

The spelling of 981493567039 in words is "nine hundred eighty-one billion, four hundred ninety-three million, five hundred sixty-seven thousand, thirty-nine".