43064456429 has 2 divisors, whose sum is σ = 43064456430. Its totient is φ = 43064456428.

The previous prime is 43064456401. The next prime is 43064456447. The reversal of 43064456429 is 92465446034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40996935529 + 2067520900 = 202477^2 + 45470^2 .

It is a cyclic number.

It is not a de Polignac number, because 43064456429 - 2⁸ = 43064456173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43064456329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21532228214 + 21532228215.

It is an arithmetic number, because the mean of its divisors is an integer number (21532228215).

Almost surely, 2^43064456429 is an apocalyptic number.

It is an amenable number.

43064456429 is a deficient number, since it is larger than the sum of its proper divisors (1).

43064456429 is an equidigital number, since it uses as much as digits as its factorization.

43064456429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2488320, while the sum is 47.

The spelling of 43064456429 in words is "forty-three billion, sixty-four million, four hundred fifty-six thousand, four hundred twenty-nine".