2238405550441 has 2 divisors, whose sum is σ = 2238405550442. Its totient is φ = 2238405550440.

The previous prime is 2238405550343. The next prime is 2238405550477. The reversal of 2238405550441 is 1440555048322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2235087790441 + 3317760000 = 1495021^2 + 57600^2 .

It is a cyclic number.

It is not a de Polignac number, because 2238405550441 - 2⁷ = 2238405550313 is a prime.

It is not a weakly prime, because it can be changed into another prime (2238405550541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119202775220 + 1119202775221.

It is an arithmetic number, because the mean of its divisors is an integer number (1119202775221).

Almost surely, 2^{2238405550441} is an apocalyptic number.

It is an amenable number.

2238405550441 is a deficient number, since it is larger than the sum of its proper divisors (1).

2238405550441 is an equidigital number, since it uses as much as digits as its factorization.

2238405550441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768000, while the sum is 43.

The spelling of 2238405550441 in words is "two trillion, two hundred thirty-eight billion, four hundred five million, five hundred fifty thousand, four hundred forty-one".