43090732129 has 2 divisors, whose sum is σ = 43090732130. Its totient is φ = 43090732128.

The previous prime is 43090732121. The next prime is 43090732151. The reversal of 43090732129 is 92123709034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42724890000 + 365842129 = 206700^2 + 19127^2 .

It is a cyclic number.

It is not a de Polignac number, because 43090732129 - 2³ = 43090732121 is a prime.

It is a super-2 number, since 2×43090732129² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43090732091 and 43090732100.

It is not a weakly prime, because it can be changed into another prime (43090732121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21545366064 + 21545366065.

It is an arithmetic number, because the mean of its divisors is an integer number (21545366065).

Almost surely, 2^43090732129 is an apocalyptic number.

It is an amenable number.

43090732129 is a deficient number, since it is larger than the sum of its proper divisors (1).

43090732129 is an equidigital number, since it uses as much as digits as its factorization.

43090732129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 40.

The spelling of 43090732129 in words is "forty-three billion, ninety million, seven hundred thirty-two thousand, one hundred twenty-nine".