989339242894 has 4 divisors (see below), whose sum is σ = 1484008864344. Its totient is φ = 494669621446.

The previous prime is 989339242877. The next prime is 989339242897. The reversal of 989339242894 is 498242933989.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989339242897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247334810722 + ... + 247334810725.

It is an arithmetic number, because the mean of its divisors is an integer number (371002216086).

Almost surely, 2^989339242894 is an apocalyptic number.

989339242894 is a deficient number, since it is larger than the sum of its proper divisors (494669621450).

989339242894 is a wasteful number, since it uses less digits than its factorization.

989339242894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494669621449.

The product of its digits is 241864704, while the sum is 70.

The spelling of 989339242894 in words is "nine hundred eighty-nine billion, three hundred thirty-nine million, two hundred forty-two thousand, eight hundred ninety-four".