981145850726 has 8 divisors (see below), whose sum is σ = 1471986329184. Its totient is φ = 490483741000.

The previous prime is 981145850717. The next prime is 981145850809. The reversal of 981145850726 is 627058541189.

981145850726 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44578430 + ... + 44600433.

It is an arithmetic number, because the mean of its divisors is an integer number (183998291148).

Almost surely, 2^981145850726 is an apocalyptic number.

981145850726 is a deficient number, since it is larger than the sum of its proper divisors (490840478458).

981145850726 is a wasteful number, since it uses less digits than its factorization.

981145850726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89184366.

The product of its (nonzero) digits is 4838400, while the sum is 56.

The spelling of 981145850726 in words is "nine hundred eighty-one billion, one hundred forty-five million, eight hundred fifty thousand, seven hundred twenty-six".