43268807137 has 2 divisors, whose sum is σ = 43268807138. Its totient is φ = 43268807136.

The previous prime is 43268807093. The next prime is 43268807143. The reversal of 43268807137 is 73170886234.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23680285456 + 19588521681 = 153884^2 + 139959^2 .

It is a cyclic number.

It is not a de Polignac number, because 43268807137 - 2¹⁵ = 43268774369 is a prime.

It is not a weakly prime, because it can be changed into another prime (43268805137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21634403568 + 21634403569.

It is an arithmetic number, because the mean of its divisors is an integer number (21634403569).

Almost surely, 2^43268807137 is an apocalyptic number.

It is an amenable number.

43268807137 is a deficient number, since it is larger than the sum of its proper divisors (1).

43268807137 is an equidigital number, since it uses as much as digits as its factorization.

43268807137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The spelling of 43268807137 in words is "forty-three billion, two hundred sixty-eight million, eight hundred seven thousand, one hundred thirty-seven".