3171604493 has 2 divisors, whose sum is σ = 3171604494. Its totient is φ = 3171604492.

The previous prime is 3171604483. The next prime is 3171604529. The reversal of 3171604493 is 3944061713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3171604489 + 4 = 56317^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 3171604493 - 2⁴ = 3171604477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3171604483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1585802246 + 1585802247.

It is an arithmetic number, because the mean of its divisors is an integer number (1585802247).

Almost surely, 2^3171604493 is an apocalyptic number.

It is an amenable number.

3171604493 is a deficient number, since it is larger than the sum of its proper divisors (1).

3171604493 is an equidigital number, since it uses as much as digits as its factorization.

3171604493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 3171604493 is about 56317.0000355133. Note that the first 4 decimals coincide. The cubic root of 3171604493 is about 1469.2408953398.

The spelling of 3171604493 in words is "three billion, one hundred seventy-one million, six hundred four thousand, four hundred ninety-three".