4555897972189 has 2 divisors, whose sum is σ = 4555897972190. Its totient is φ = 4555897972188.

The previous prime is 4555897972177. The next prime is 4555897972193. The reversal of 4555897972189 is 9812797985554.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3613363783225 + 942534188964 = 1900885^2 + 970842^2 .

It is a cyclic number.

It is not a de Polignac number, because 4555897972189 - 2¹⁵ = 4555897939421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4555897972139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2277948986094 + 2277948986095.

It is an arithmetic number, because the mean of its divisors is an integer number (2277948986095).

Almost surely, 2^{4555897972189} is an apocalyptic number.

It is an amenable number.

4555897972189 is a deficient number, since it is larger than the sum of its proper divisors (1).

4555897972189 is an equidigital number, since it uses as much as digits as its factorization.

4555897972189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144000, while the sum is 79.

The spelling of 4555897972189 in words is "four trillion, five hundred fifty-five billion, eight hundred ninety-seven million, nine hundred seventy-two thousand, one hundred eighty-nine".