45239361229 has 2 divisors, whose sum is σ = 45239361230. Its totient is φ = 45239361228.

The previous prime is 45239361187. The next prime is 45239361257. The reversal of 45239361229 is 92216393254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39414160900 + 5825200329 = 198530^2 + 76323^2 .

It is a cyclic number.

It is not a de Polignac number, because 45239361229 - 2⁹ = 45239360717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45239361259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22619680614 + 22619680615.

It is an arithmetic number, because the mean of its divisors is an integer number (22619680615).

Almost surely, 2^45239361229 is an apocalyptic number.

It is an amenable number.

45239361229 is a deficient number, since it is larger than the sum of its proper divisors (1).

45239361229 is an equidigital number, since it uses as much as digits as its factorization.

45239361229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 46.

The spelling of 45239361229 in words is "forty-five billion, two hundred thirty-nine million, three hundred sixty-one thousand, two hundred twenty-nine".