3193842961 has 4 divisors (see below), whose sum is σ = 3222107172. Its totient is φ = 3165578752.

The previous prime is 3193842959. The next prime is 3193842973. The reversal of 3193842961 is 1692483913.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1046910736 + 2146932225 = 32356^2 + 46335^2 .

It is a cyclic number.

It is not a de Polignac number, because 3193842961 - 2¹ = 3193842959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3193842901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14131936 + ... + 14132161.

It is an arithmetic number, because the mean of its divisors is an integer number (805526793).

Almost surely, 2^3193842961 is an apocalyptic number.

It is an amenable number.

3193842961 is a deficient number, since it is larger than the sum of its proper divisors (28264211).

3193842961 is a wasteful number, since it uses less digits than its factorization.

3193842961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28264210.

The product of its digits is 279936, while the sum is 46.

The square root of 3193842961 is about 56514.0952418067. The cubic root of 3193842961 is about 1472.6668790838. Note that the first 3 decimals are identical.

The spelling of 3193842961 in words is "three billion, one hundred ninety-three million, eight hundred forty-two thousand, nine hundred sixty-one".