981481580983 has 2 divisors, whose sum is σ = 981481580984. Its totient is φ = 981481580982.

The previous prime is 981481580977. The next prime is 981481580993. The reversal of 981481580983 is 389085184189.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-981481580983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (981481580903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490740790491 + 490740790492.

It is an arithmetic number, because the mean of its divisors is an integer number (490740790492).

Almost surely, 2^981481580983 is an apocalyptic number.

981481580983 is a deficient number, since it is larger than the sum of its proper divisors (1).

981481580983 is an equidigital number, since it uses as much as digits as its factorization.

981481580983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19906560, while the sum is 64.

The spelling of 981481580983 in words is "nine hundred eighty-one billion, four hundred eighty-one million, five hundred eighty thousand, nine hundred eighty-three".