3240194873 has 2 divisors, whose sum is σ = 3240194874. Its totient is φ = 3240194872.

The previous prime is 3240194869. The next prime is 3240194977. The reversal of 3240194873 is 3784910423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1923085609 + 1317109264 = 43853^2 + 36292^2 .

It is a cyclic number.

It is not a de Polignac number, because 3240194873 - 2² = 3240194869 is a prime.

It is a super-2 number, since 2×3240194873² = 20997725630030972258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3240194873.

It is not a weakly prime, because it can be changed into another prime (3240194173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1620097436 + 1620097437.

It is an arithmetic number, because the mean of its divisors is an integer number (1620097437).

Almost surely, 2^3240194873 is an apocalyptic number.

It is an amenable number.

3240194873 is a deficient number, since it is larger than the sum of its proper divisors (1).

3240194873 is an equidigital number, since it uses as much as digits as its factorization.

3240194873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 3240194873 is about 56922.7096421103. The cubic root of 3240194873 is about 1479.7569105557.

The spelling of 3240194873 in words is "three billion, two hundred forty million, one hundred ninety-four thousand, eight hundred seventy-three".