4546488547021 has 2 divisors, whose sum is σ = 4546488547022. Its totient is φ = 4546488547020.

The previous prime is 4546488547019. The next prime is 4546488547057. The reversal of 4546488547021 is 1207458846454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3371681853796 + 1174806693225 = 1836214^2 + 1083885^2 .

It is a cyclic number.

It is not a de Polignac number, because 4546488547021 - 2¹ = 4546488547019 is a prime.

Together with 4546488547019, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4546488547121) 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, 2273244273510 + 2273244273511.

It is an arithmetic number, because the mean of its divisors is an integer number (2273244273511).

Almost surely, 2^{4546488547021} is an apocalyptic number.

It is an amenable number.

4546488547021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4546488547021 is an equidigital number, since it uses as much as digits as its factorization.

4546488547021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34406400, while the sum is 58.

The spelling of 4546488547021 in words is "four trillion, five hundred forty-six billion, four hundred eighty-eight million, five hundred forty-seven thousand, twenty-one".