3061345643 has 4 divisors (see below), whose sum is σ = 3067986768. Its totient is φ = 3054704520.

The previous prime is 3061345633. The next prime is 3061345711. The reversal of 3061345643 is 3465431603.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3061345643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3061345633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3319871 + ... + 3320792.

It is an arithmetic number, because the mean of its divisors is an integer number (766996692).

Almost surely, 2^3061345643 is an apocalyptic number.

3061345643 is a deficient number, since it is larger than the sum of its proper divisors (6641125).

3061345643 is an equidigital number, since it uses as much as digits as its factorization.

3061345643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6641124.

The product of its (nonzero) digits is 77760, while the sum is 35.

The square root of 3061345643 is about 55329.4283632137. The cubic root of 3061345643 is about 1452.0139502577.

The spelling of 3061345643 in words is "three billion, sixty-one million, three hundred forty-five thousand, six hundred forty-three".