4555421327777 has 2 divisors, whose sum is σ = 4555421327778. Its totient is φ = 4555421327776.

The previous prime is 4555421327773. The next prime is 4555421327843. The reversal of 4555421327777 is 7777231245554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4411843992721 + 143577335056 = 2100439^2 + 378916^2 .

It is a cyclic number.

It is not a de Polignac number, because 4555421327777 - 2² = 4555421327773 is a prime.

It is not a weakly prime, because it can be changed into another prime (4555421327773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2277710663888 + 2277710663889.

It is an arithmetic number, because the mean of its divisors is an integer number (2277710663889).

Almost surely, 2^{4555421327777} is an apocalyptic number.

It is an amenable number.

4555421327777 is a deficient number, since it is larger than the sum of its proper divisors (1).

4555421327777 is an equidigital number, since it uses as much as digits as its factorization.

4555421327777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57624000, while the sum is 59.

The spelling of 4555421327777 in words is "four trillion, five hundred fifty-five billion, four hundred twenty-one million, three hundred twenty-seven thousand, seven hundred seventy-seven".