989233815103 has 4 divisors (see below), whose sum is σ = 1041298752760. Its totient is φ = 937168877448.

The previous prime is 989233815077. The next prime is 989233815127. The reversal of 989233815103 is 301518332989.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-989233815103 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 (989233815173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26032468800 + ... + 26032468837.

It is an arithmetic number, because the mean of its divisors is an integer number (260324688190).

Almost surely, 2^989233815103 is an apocalyptic number.

989233815103 is a deficient number, since it is larger than the sum of its proper divisors (52064937657).

989233815103 is a wasteful number, since it uses less digits than its factorization.

989233815103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52064937656.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 989233815103 in words is "nine hundred eighty-nine billion, two hundred thirty-three million, eight hundred fifteen thousand, one hundred three".