981244349071 has 8 divisors (see below), whose sum is σ = 1144308279200. Its totient is φ = 841066584624.

The previous prime is 981244349053. The next prime is 981244349077. The reversal of 981244349071 is 170943442189.

It is a happy number.

It is not a de Polignac number, because 981244349071 - 2²⁵ = 981210794639 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 (981244349077) 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, 1430385006 + ... + 1430385691.

It is an arithmetic number, because the mean of its divisors is an integer number (143038534900).

Almost surely, 2^981244349071 is an apocalyptic number.

981244349071 is a deficient number, since it is larger than the sum of its proper divisors (163063930129).

981244349071 is an equidigital number, since it uses as much as digits as its factorization.

981244349071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860770718 (or 2860770704 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 981244349071 in words is "nine hundred eighty-one billion, two hundred forty-four million, three hundred forty-nine thousand, seventy-one".