2985219173 has 2 divisors, whose sum is σ = 2985219174. Its totient is φ = 2985219172.

The previous prime is 2985219169. The next prime is 2985219179. The reversal of 2985219173 is 3719125892.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2471879524 + 513339649 = 49718^2 + 22657^2 .

It is a cyclic number.

It is not a de Polignac number, because 2985219173 - 2² = 2985219169 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2985219179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1492609586 + 1492609587.

It is an arithmetic number, because the mean of its divisors is an integer number (1492609587).

Almost surely, 2^2985219173 is an apocalyptic number.

It is an amenable number.

2985219173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2985219173 is an equidigital number, since it uses as much as digits as its factorization.

2985219173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 47.

The square root of 2985219173 is about 54637.1592691275. The cubic root of 2985219173 is about 1439.8770427742.

The spelling of 2985219173 in words is "two billion, nine hundred eighty-five million, two hundred nineteen thousand, one hundred seventy-three".