43041436937 has 2 divisors, whose sum is σ = 43041436938. Its totient is φ = 43041436936.

The previous prime is 43041436843. The next prime is 43041437003. The reversal of 43041436937 is 73963414034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42675709561 + 365727376 = 206581^2 + 19124^2 .

It is a cyclic number.

It is not a de Polignac number, because 43041436937 - 2²⁰ = 43040388361 is a prime.

It is not a weakly prime, because it can be changed into another prime (43041436037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21520718468 + 21520718469.

It is an arithmetic number, because the mean of its divisors is an integer number (21520718469).

Almost surely, 2^43041436937 is an apocalyptic number.

It is an amenable number.

43041436937 is a deficient number, since it is larger than the sum of its proper divisors (1).

43041436937 is an equidigital number, since it uses as much as digits as its factorization.

43041436937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 44.

The spelling of 43041436937 in words is "forty-three billion, forty-one million, four hundred thirty-six thousand, nine hundred thirty-seven".