2105144424533 has 2 divisors, whose sum is σ = 2105144424534. Its totient is φ = 2105144424532.

The previous prime is 2105144424517. The next prime is 2105144424547. The reversal of 2105144424533 is 3354244415012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1317440248804 + 787704175729 = 1147798^2 + 887527^2 .

It is a cyclic number.

It is not a de Polignac number, because 2105144424533 - 2⁴ = 2105144424517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2105144423533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052572212266 + 1052572212267.

It is an arithmetic number, because the mean of its divisors is an integer number (1052572212267).

Almost surely, 2^{2105144424533} is an apocalyptic number.

It is an amenable number.

2105144424533 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105144424533 is an equidigital number, since it uses as much as digits as its factorization.

2105144424533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 2105144424533 its reverse (3354244415012), we get a palindrome (5459388839545).

The spelling of 2105144424533 in words is "two trillion, one hundred five billion, one hundred forty-four million, four hundred twenty-four thousand, five hundred thirty-three".