3215347673 has 2 divisors, whose sum is σ = 3215347674. Its totient is φ = 3215347672.

The previous prime is 3215347657. The next prime is 3215347679. The reversal of 3215347673 is 3767435123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2717745424 + 497602249 = 52132^2 + 22307^2 .

It is a cyclic number.

It is not a de Polignac number, because 3215347673 - 2⁴ = 3215347657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3215347673.

It is not a weakly prime, because it can be changed into another prime (3215347679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1607673836 + 1607673837.

It is an arithmetic number, because the mean of its divisors is an integer number (1607673837).

Almost surely, 2^3215347673 is an apocalyptic number.

It is an amenable number.

3215347673 is a deficient number, since it is larger than the sum of its proper divisors (1).

3215347673 is an equidigital number, since it uses as much as digits as its factorization.

3215347673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 41.

The square root of 3215347673 is about 56704.0357734791. The cubic root of 3215347673 is about 1475.9647310127.

The spelling of 3215347673 in words is "three billion, two hundred fifteen million, three hundred forty-seven thousand, six hundred seventy-three".