43013420201 has 2 divisors, whose sum is σ = 43013420202. Its totient is φ = 43013420200.

The previous prime is 43013420183. The next prime is 43013420209. The reversal of 43013420201 is 10202431034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37403560000 + 5609860201 = 193400^2 + 74899^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43013420201 is a prime.

It is not a weakly prime, because it can be changed into another prime (43013420209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21506710100 + 21506710101.

It is an arithmetic number, because the mean of its divisors is an integer number (21506710101).

Almost surely, 2^43013420201 is an apocalyptic number.

It is an amenable number.

43013420201 is a deficient number, since it is larger than the sum of its proper divisors (1).

43013420201 is an equidigital number, since it uses as much as digits as its factorization.

43013420201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 43013420201 its reverse (10202431034), we get a palindrome (53215851235).

The spelling of 43013420201 in words is "forty-three billion, thirteen million, four hundred twenty thousand, two hundred one".