981493567041 has 8 divisors (see below), whose sum is σ = 1409324096320. Its totient is φ = 603996041232.

The previous prime is 981493567009. The next prime is 981493567063. The reversal of 981493567041 is 140765394189.

It is a happy number.

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

It is not a de Polignac number, because 981493567041 - 2⁵ = 981493567009 is a prime.

It is a super-2 number, since 2×981493567041² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (981493567001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12583250821 + ... + 12583250898.

It is an arithmetic number, because the mean of its divisors is an integer number (176165512040).

Almost surely, 2^981493567041 is an apocalyptic number.

It is an amenable number.

981493567041 is a deficient number, since it is larger than the sum of its proper divisors (427830529279).

981493567041 is a wasteful number, since it uses less digits than its factorization.

981493567041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25166501735.

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 981493567041 in words is "nine hundred eighty-one billion, four hundred ninety-three million, five hundred sixty-seven thousand, forty-one".