3461643404647 has 2 divisors, whose sum is σ = 3461643404648. Its totient is φ = 3461643404646.

The previous prime is 3461643404633. The next prime is 3461643404671. The reversal of 3461643404647 is 7464043461643.

3461643404647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3461643404647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3461643404594 and 3461643404603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3461643444647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1730821702323 + 1730821702324.

It is an arithmetic number, because the mean of its divisors is an integer number (1730821702324).

Almost surely, 2^{3461643404647} is an apocalyptic number.

3461643404647 is a deficient number, since it is larger than the sum of its proper divisors (1).

3461643404647 is an equidigital number, since it uses as much as digits as its factorization.

3461643404647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13934592, while the sum is 52.

The spelling of 3461643404647 in words is "three trillion, four hundred sixty-one billion, six hundred forty-three million, four hundred four thousand, six hundred forty-seven".