4423132055021 has 2 divisors, whose sum is σ = 4423132055022. Its totient is φ = 4423132055020.

The previous prime is 4423132054997. The next prime is 4423132055113. The reversal of 4423132055021 is 1205502313244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3042718546921 + 1380413508100 = 1744339^2 + 1174910^2 .

It is a cyclic number.

It is not a de Polignac number, because 4423132055021 - 2¹⁰ = 4423132053997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4423132015021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2211566027510 + 2211566027511.

It is an arithmetic number, because the mean of its divisors is an integer number (2211566027511).

Almost surely, 2^{4423132055021} is an apocalyptic number.

It is an amenable number.

4423132055021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4423132055021 is an equidigital number, since it uses as much as digits as its factorization.

4423132055021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 4423132055021 its reverse (1205502313244), we get a palindrome (5628634368265).

The spelling of 4423132055021 in words is "four trillion, four hundred twenty-three billion, one hundred thirty-two million, fifty-five thousand, twenty-one".