3427253140543 has 2 divisors, whose sum is σ = 3427253140544. Its totient is φ = 3427253140542.

The previous prime is 3427253140463. The next prime is 3427253140573. The reversal of 3427253140543 is 3450413527243.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3427253140543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3427253140543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3427253140573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1713626570271 + 1713626570272.

It is an arithmetic number, because the mean of its divisors is an integer number (1713626570272).

Almost surely, 2^{3427253140543} is an apocalyptic number.

3427253140543 is a deficient number, since it is larger than the sum of its proper divisors (1).

3427253140543 is an equidigital number, since it uses as much as digits as its factorization.

3427253140543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1209600, while the sum is 43.

Adding to 3427253140543 its reverse (3450413527243), we get a palindrome (6877666667786).

The spelling of 3427253140543 in words is "three trillion, four hundred twenty-seven billion, two hundred fifty-three million, one hundred forty thousand, five hundred forty-three".