43136655241 has 2 divisors, whose sum is σ = 43136655242. Its totient is φ = 43136655240.

The previous prime is 43136655229. The next prime is 43136655251. The reversal of 43136655241 is 14255663134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42236415225 + 900240016 = 205515^2 + 30004^2 .

It is a cyclic number.

It is not a de Polignac number, because 43136655241 - 2⁷ = 43136655113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43136655194 and 43136655203.

It is not a weakly prime, because it can be changed into another prime (43136655251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21568327620 + 21568327621.

It is an arithmetic number, because the mean of its divisors is an integer number (21568327621).

Almost surely, 2^43136655241 is an apocalyptic number.

It is an amenable number.

43136655241 is a deficient number, since it is larger than the sum of its proper divisors (1).

43136655241 is an equidigital number, since it uses as much as digits as its factorization.

43136655241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 40.

The spelling of 43136655241 in words is "forty-three billion, one hundred thirty-six million, six hundred fifty-five thousand, two hundred forty-one".