4661816447347 has 2 divisors, whose sum is σ = 4661816447348. Its totient is φ = 4661816447346.

The previous prime is 4661816447303. The next prime is 4661816447437. The reversal of 4661816447347 is 7437446181664.

Together with next prime (4661816447437) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4661816447347 - 2¹⁵ = 4661816414579 is a prime.

It is not a weakly prime, because it can be changed into another prime (4661816447747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2330908223673 + 2330908223674.

It is an arithmetic number, because the mean of its divisors is an integer number (2330908223674).

Almost surely, 2^{4661816447347} is an apocalyptic number.

4661816447347 is a deficient number, since it is larger than the sum of its proper divisors (1).

4661816447347 is an equidigital number, since it uses as much as digits as its factorization.

4661816447347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65028096, while the sum is 61.

The spelling of 4661816447347 in words is "four trillion, six hundred sixty-one billion, eight hundred sixteen million, four hundred forty-seven thousand, three hundred forty-seven".