30741660889 has 3 divisors (see below), whose sum is σ = 30741836223. Its totient is φ = 30741485556.

The previous prime is 30741660809. The next prime is 30741660893. The reversal of 30741660889 is 98806614703.

It is a happy number.

The square root of 30741660889 is 175333.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98806614703 = 83 ⋅1190441141.

It can be written as a sum of positive squares in only one way, i.e., 29737278025 + 1004382864 = 172445^2 + 31692^2 .

It is not a de Polignac number, because 30741660889 - 2⁹ = 30741660377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30741660809) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 87667 + ... + 262999.

It is an arithmetic number, because the mean of its divisors is an integer number (10247278741).

Almost surely, 2^30741660889 is an apocalyptic number.

30741660889 is the 175333-rd square number.

30741660889 is the 87667-th centered octagonal number.

It is an amenable number.

30741660889 is a deficient number, since it is larger than the sum of its proper divisors (175334).

30741660889 is an frugal number, since it uses more digits than its factorization.

30741660889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350666 (or 175333 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 30741660889 in words is "thirty billion, seven hundred forty-one million, six hundred sixty thousand, eight hundred eighty-nine".