4544177856641 has 2 divisors, whose sum is σ = 4544177856642. Its totient is φ = 4544177856640.

The previous prime is 4544177856613. The next prime is 4544177856643. The reversal of 4544177856641 is 1466587714454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2875327271041 + 1668850585600 = 1695679^2 + 1291840^2 .

It is a cyclic number.

It is not a de Polignac number, because 4544177856641 - 2⁶ = 4544177856577 is a prime.

Together with 4544177856643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4544177856643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2272088928320 + 2272088928321.

It is an arithmetic number, because the mean of its divisors is an integer number (2272088928321).

Almost surely, 2^{4544177856641} is an apocalyptic number.

It is an amenable number.

4544177856641 is a deficient number, since it is larger than the sum of its proper divisors (1).

4544177856641 is an equidigital number, since it uses as much as digits as its factorization.

4544177856641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90316800, while the sum is 62.

The spelling of 4544177856641 in words is "four trillion, five hundred forty-four billion, one hundred seventy-seven million, eight hundred fifty-six thousand, six hundred forty-one".