989700228301 has 4 divisors (see below), whose sum is σ = 989702259004. Its totient is φ = 989698197600.

The previous prime is 989700228271. The next prime is 989700228311. The reversal of 989700228301 is 103822007989.

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

It can be written as a sum of positive squares in 2 ways, for example, as 270764122500 + 718936105801 = 520350^2 + 847901^2 .

It is a 3-Lehmer number, since φ(989700228301) divides (989700228301-1)³.

It is a cyclic number.

It is not a de Polignac number, because 989700228301 - 2⁵ = 989700228269 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 (989700228311) 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, 203071 + ... + 1421491.

It is an arithmetic number, because the mean of its divisors is an integer number (247425564751).

Almost surely, 2^989700228301 is an apocalyptic number.

989700228301 is the 812281-st pentagonal number.

It is an amenable number.

989700228301 is a deficient number, since it is larger than the sum of its proper divisors (2030703).

989700228301 is a wasteful number, since it uses less digits than its factorization.

989700228301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030702.

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 989700228301 in words is "nine hundred eighty-nine billion, seven hundred million, two hundred twenty-eight thousand, three hundred one".