9471889589 has 2 divisors, whose sum is σ = 9471889590. Its totient is φ = 9471889588.

The previous prime is 9471889573. The next prime is 9471889657. The reversal of 9471889589 is 9859881749.

It is an a-pointer prime, because the next prime (9471889657) can be obtained adding 9471889589 to its sum of digits (68).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9074086564 + 397803025 = 95258^2 + 19945^2 .

It is a cyclic number.

It is not a de Polignac number, because 9471889589 - 2⁴ = 9471889573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9471889529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4735944794 + 4735944795.

It is an arithmetic number, because the mean of its divisors is an integer number (4735944795).

Almost surely, 2^9471889589 is an apocalyptic number.

It is an amenable number.

9471889589 is a deficient number, since it is larger than the sum of its proper divisors (1).

9471889589 is an equidigital number, since it uses as much as digits as its factorization.

9471889589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52254720, while the sum is 68.

The square root of 9471889589 is about 97323.6332501002. The cubic root of 9471889589 is about 2115.8207679451.

The spelling of 9471889589 in words is "nine billion, four hundred seventy-one million, eight hundred eighty-nine thousand, five hundred eighty-nine".