4325343545021 has 2 divisors, whose sum is σ = 4325343545022. Its totient is φ = 4325343545020.

The previous prime is 4325343545009. The next prime is 4325343545057. The reversal of 4325343545021 is 1205453435234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3909913022500 + 415430522521 = 1977350^2 + 644539^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4325343545021 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4325343545021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4325343545071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2162671772510 + 2162671772511.

It is an arithmetic number, because the mean of its divisors is an integer number (2162671772511).

Almost surely, 2^{4325343545021} is an apocalyptic number.

It is an amenable number.

4325343545021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4325343545021 is an equidigital number, since it uses as much as digits as its factorization.

4325343545021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864000, while the sum is 41.

The spelling of 4325343545021 in words is "four trillion, three hundred twenty-five billion, three hundred forty-three million, five hundred forty-five thousand, twenty-one".