4550552021399 has 2 divisors, whose sum is σ = 4550552021400. Its totient is φ = 4550552021398.

The previous prime is 4550552021387. The next prime is 4550552021419. The reversal of 4550552021399 is 9931202550554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4550552021399 - 2²⁸ = 4550283585943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4550552021329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2275276010699 + 2275276010700.

It is an arithmetic number, because the mean of its divisors is an integer number (2275276010700).

Almost surely, 2^{4550552021399} is an apocalyptic number.

4550552021399 is a deficient number, since it is larger than the sum of its proper divisors (1).

4550552021399 is an equidigital number, since it uses as much as digits as its factorization.

4550552021399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430000, while the sum is 50.

The spelling of 4550552021399 in words is "four trillion, five hundred fifty billion, five hundred fifty-two million, twenty-one thousand, three hundred ninety-nine".