971653189 has 16 divisors (see below), whose sum is σ = 1077244672. Its totient is φ = 870585408.

The previous prime is 971653169. The next prime is 971653211. The reversal of 971653189 is 981356179.

It is a cyclic number.

It is not a de Polignac number, because 971653189 - 2⁹ = 971652677 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 (971653129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220522 + ... + 224884.

It is an arithmetic number, because the mean of its divisors is an integer number (67327792).

Almost surely, 2^971653189 is an apocalyptic number.

It is an amenable number.

971653189 is a deficient number, since it is larger than the sum of its proper divisors (105591483).

971653189 is a wasteful number, since it uses less digits than its factorization.

971653189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4876.

The product of its digits is 408240, while the sum is 49.

The square root of 971653189 is about 31171.3520560145. The cubic root of 971653189 is about 990.4603474138.

The spelling of 971653189 in words is "nine hundred seventy-one million, six hundred fifty-three thousand, one hundred eighty-nine".