43432021201 has 2 divisors, whose sum is σ = 43432021202. Its totient is φ = 43432021200.

The previous prime is 43432021153. The next prime is 43432021211. The reversal of 43432021201 is 10212023434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32300716176 + 11131305025 = 179724^2 + 105505^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43432021201 is a prime.

It is a super-2 number, since 2×43432021201² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43432021211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21716010600 + 21716010601.

It is an arithmetic number, because the mean of its divisors is an integer number (21716010601).

Almost surely, 2^43432021201 is an apocalyptic number.

It is an amenable number.

43432021201 is a deficient number, since it is larger than the sum of its proper divisors (1).

43432021201 is an equidigital number, since it uses as much as digits as its factorization.

43432021201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 43432021201 its reverse (10212023434), we get a palindrome (53644044635).

The spelling of 43432021201 in words is "forty-three billion, four hundred thirty-two million, twenty-one thousand, two hundred one".