989975150213 has 4 divisors (see below), whose sum is σ = 1131400171680. Its totient is φ = 848550128748.

The previous prime is 989975150209. The next prime is 989975150257. The reversal of 989975150213 is 312051579989.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 989975150213 - 2² = 989975150209 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 (989975156213) 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, 70712510723 + ... + 70712510736.

It is an arithmetic number, because the mean of its divisors is an integer number (282850042920).

Almost surely, 2^989975150213 is an apocalyptic number.

It is an amenable number.

989975150213 is a deficient number, since it is larger than the sum of its proper divisors (141425021467).

989975150213 is a wasteful number, since it uses less digits than its factorization.

989975150213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141425021466.

The product of its (nonzero) digits is 6123600, while the sum is 59.

The spelling of 989975150213 in words is "nine hundred eighty-nine billion, nine hundred seventy-five million, one hundred fifty thousand, two hundred thirteen".