4550225421191 has 2 divisors, whose sum is σ = 4550225421192. Its totient is φ = 4550225421190.

The previous prime is 4550225421179. The next prime is 4550225421221. The reversal of 4550225421191 is 1911245220554.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4550225421191 - 2⁴² = 152178910087 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4550225411191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2275112710595 + 2275112710596.

It is an arithmetic number, because the mean of its divisors is an integer number (2275112710596).

Almost surely, 2^{4550225421191} is an apocalyptic number.

4550225421191 is a deficient number, since it is larger than the sum of its proper divisors (1).

4550225421191 is an equidigital number, since it uses as much as digits as its factorization.

4550225421191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144000, while the sum is 41.

The spelling of 4550225421191 in words is "four trillion, five hundred fifty billion, two hundred twenty-five million, four hundred twenty-one thousand, one hundred ninety-one".