43420412201 has 2 divisors, whose sum is σ = 43420412202. Its totient is φ = 43420412200.

The previous prime is 43420412177. The next prime is 43420412213. The reversal of 43420412201 is 10221402434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41544222976 + 1876189225 = 203824^2 + 43315^2 .

It is a cyclic number.

It is not a de Polignac number, because 43420412201 - 2⁶ = 43420412137 is a prime.

It is not a weakly prime, because it can be changed into another prime (43420412221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21710206100 + 21710206101.

It is an arithmetic number, because the mean of its divisors is an integer number (21710206101).

Almost surely, 2^43420412201 is an apocalyptic number.

It is an amenable number.

43420412201 is a deficient number, since it is larger than the sum of its proper divisors (1).

43420412201 is an equidigital number, since it uses as much as digits as its factorization.

43420412201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 43420412201 its reverse (10221402434), we get a palindrome (53641814635).

The spelling of 43420412201 in words is "forty-three billion, four hundred twenty million, four hundred twelve thousand, two hundred one".