43425343243201 has 2 divisors, whose sum is σ = 43425343243202. Its totient is φ = 43425343243200.

The previous prime is 43425343243187. The next prime is 43425343243207. The reversal of 43425343243201 is 10234234352434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29807767203201 + 13617576040000 = 5459649^2 + 3690200^2 .

It is a cyclic number.

It is not a de Polignac number, because 43425343243201 - 2¹¹ = 43425343241153 is a prime.

It is not a weakly prime, because it can be changed into another prime (43425343243207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21712671621600 + 21712671621601.

It is an arithmetic number, because the mean of its divisors is an integer number (21712671621601).

Almost surely, 2^{43425343243201} is an apocalyptic number.

It is an amenable number.

43425343243201 is a deficient number, since it is larger than the sum of its proper divisors (1).

43425343243201 is an equidigital number, since it uses as much as digits as its factorization.

43425343243201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 40.

Adding to 43425343243201 its reverse (10234234352434), we get a palindrome (53659577595635).

The spelling of 43425343243201 in words is "forty-three trillion, four hundred twenty-five billion, three hundred forty-three million, two hundred forty-three thousand, two hundred one".