4643454146489 has 4 divisors (see below), whose sum is σ = 4649492449140. Its totient is φ = 4637415843840.

The previous prime is 4643454146459. The next prime is 4643454146509. The reversal of 4643454146489 is 9846414543464.

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 792263768464 + 3851190378025 = 890092^2 + 1962445^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4643454146489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4643454146459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3019150172 + ... + 3019151709.

It is an arithmetic number, because the mean of its divisors is an integer number (1162373112285).

Almost surely, 2^{4643454146489} is an apocalyptic number.

It is an amenable number.

4643454146489 is a deficient number, since it is larger than the sum of its proper divisors (6038302651).

4643454146489 is an equidigital number, since it uses as much as digits as its factorization.

4643454146489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6038302650.

The product of its digits is 159252480, while the sum is 62.

The spelling of 4643454146489 in words is "four trillion, six hundred forty-three billion, four hundred fifty-four million, one hundred forty-six thousand, four hundred eighty-nine".