2443404405401 has 2 divisors, whose sum is σ = 2443404405402. Its totient is φ = 2443404405400.

The previous prime is 2443404405371. The next prime is 2443404405467. The reversal of 2443404405401 is 1045044043442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2382543515401 + 60860890000 = 1543549^2 + 246700^2 .

It is a cyclic number.

It is not a de Polignac number, because 2443404405401 - 2¹⁴ = 2443404389017 is a prime.

It is not a weakly prime, because it can be changed into another prime (2443404405901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1221702202700 + 1221702202701.

It is an arithmetic number, because the mean of its divisors is an integer number (1221702202701).

Almost surely, 2^{2443404405401} is an apocalyptic number.

It is an amenable number.

2443404405401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2443404405401 is an equidigital number, since it uses as much as digits as its factorization.

2443404405401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122880, while the sum is 35.

Adding to 2443404405401 its reverse (1045044043442), we get a palindrome (3488448448843).

The spelling of 2443404405401 in words is "two trillion, four hundred forty-three billion, four hundred four million, four hundred five thousand, four hundred one".