43134165401 has 2 divisors, whose sum is σ = 43134165402. Its totient is φ = 43134165400.

The previous prime is 43134165383. The next prime is 43134165419. The reversal of 43134165401 is 10456143134.

It is a happy number.

43134165401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (43134165383) and next prime (43134165419).

It can be written as a sum of positive squares in only one way, i.e., 42972875401 + 161290000 = 207299^2 + 12700^2 .

It is a cyclic number.

It is not a de Polignac number, because 43134165401 - 2¹⁸ = 43133903257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (43134165001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21567082700 + 21567082701.

It is an arithmetic number, because the mean of its divisors is an integer number (21567082701).

Almost surely, 2^43134165401 is an apocalyptic number.

It is an amenable number.

43134165401 is a deficient number, since it is larger than the sum of its proper divisors (1).

43134165401 is an equidigital number, since it uses as much as digits as its factorization.

43134165401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 43134165401 in words is "forty-three billion, one hundred thirty-four million, one hundred sixty-five thousand, four hundred one".