3205197049 has 2 divisors, whose sum is σ = 3205197050. Its totient is φ = 3205197048.

The previous prime is 3205197019. The next prime is 3205197053. The reversal of 3205197049 is 9407915023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1809651600 + 1395545449 = 42540^2 + 37357^2 .

It is a cyclic number.

It is not a de Polignac number, because 3205197049 - 2²⁷ = 3070979321 is a prime.

It is not a weakly prime, because it can be changed into another prime (3205197019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1602598524 + 1602598525.

It is an arithmetic number, because the mean of its divisors is an integer number (1602598525).

Almost surely, 2^3205197049 is an apocalyptic number.

It is an amenable number.

3205197049 is a deficient number, since it is larger than the sum of its proper divisors (1).

3205197049 is an equidigital number, since it uses as much as digits as its factorization.

3205197049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 3205197049 is about 56614.4597165777. The cubic root of 3205197049 is about 1474.4099218163.

The spelling of 3205197049 in words is "three billion, two hundred five million, one hundred ninety-seven thousand, forty-nine".