981143243414 has 16 divisors (see below), whose sum is σ = 1480654310688. Its totient is φ = 487592309952.

The previous prime is 981143243411. The next prime is 981143243449. The reversal of 981143243414 is 414342341189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981143243411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3980882 + ... + 4220154.

It is an arithmetic number, because the mean of its divisors is an integer number (92540894418).

Almost surely, 2^981143243414 is an apocalyptic number.

981143243414 is a deficient number, since it is larger than the sum of its proper divisors (499511067274).

981143243414 is a wasteful number, since it uses less digits than its factorization.

981143243414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251719.

The product of its digits is 331776, while the sum is 44.

The spelling of 981143243414 in words is "nine hundred eighty-one billion, one hundred forty-three million, two hundred forty-three thousand, four hundred fourteen".