43325222137 has 2 divisors, whose sum is σ = 43325222138. Its totient is φ = 43325222136.

The previous prime is 43325222081. The next prime is 43325222173. The reversal of 43325222137 is 73122252334.

43325222137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (43325222173) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42029510121 + 1295712016 = 205011^2 + 35996^2 .

It is a cyclic number.

It is not a de Polignac number, because 43325222137 - 2¹¹ = 43325220089 is a prime.

It is not a weakly prime, because it can be changed into another prime (43325222737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21662611068 + 21662611069.

It is an arithmetic number, because the mean of its divisors is an integer number (21662611069).

Almost surely, 2^43325222137 is an apocalyptic number.

It is an amenable number.

43325222137 is a deficient number, since it is larger than the sum of its proper divisors (1).

43325222137 is an equidigital number, since it uses as much as digits as its factorization.

43325222137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 34.

The spelling of 43325222137 in words is "forty-three billion, three hundred twenty-five million, two hundred twenty-two thousand, one hundred thirty-seven".