7000981189 has 4 divisors (see below), whose sum is σ = 7017611020. Its totient is φ = 6984351360.

The previous prime is 7000981171. The next prime is 7000981237. The reversal of 7000981189 is 9811890007.

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 10349089 + 6990632100 = 3217^2 + 83610^2 .

It is a cyclic number.

It is not a de Polignac number, because 7000981189 - 2⁹ = 7000980677 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 (7000981139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8314284 + ... + 8315125.

It is an arithmetic number, because the mean of its divisors is an integer number (1754402755).

Almost surely, 2^7000981189 is an apocalyptic number.

It is an amenable number.

7000981189 is a deficient number, since it is larger than the sum of its proper divisors (16629831).

7000981189 is a wasteful number, since it uses less digits than its factorization.

7000981189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16629830.

The product of its (nonzero) digits is 36288, while the sum is 43.

The square root of 7000981189 is about 83671.8661737624. The cubic root of 7000981189 is about 1913.0205570269.

The spelling of 7000981189 in words is "seven billion, nine hundred eighty-one thousand, one hundred eighty-nine".