4643620376671 has 2 divisors, whose sum is σ = 4643620376672. Its totient is φ = 4643620376670.

The previous prime is 4643620376641. The next prime is 4643620376699. The reversal of 4643620376671 is 1766730263464.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4643620376671 - 2²⁹ = 4643083505759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4643620376641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2321810188335 + 2321810188336.

It is an arithmetic number, because the mean of its divisors is an integer number (2321810188336).

Almost surely, 2^{4643620376671} is an apocalyptic number.

4643620376671 is a deficient number, since it is larger than the sum of its proper divisors (1).

4643620376671 is an equidigital number, since it uses as much as digits as its factorization.

4643620376671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18289152, while the sum is 55.

The spelling of 4643620376671 in words is "four trillion, six hundred forty-three billion, six hundred twenty million, three hundred seventy-six thousand, six hundred seventy-one".