42735189229 has 2 divisors, whose sum is σ = 42735189230. Its totient is φ = 42735189228.

The previous prime is 42735189191. The next prime is 42735189239. The reversal of 42735189229 is 92298153724.

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., 32291371204 + 10443818025 = 179698^2 + 102195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42735189229 is a prime.

It is a super-2 number, since 2×42735189229² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42735189239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21367594614 + 21367594615.

It is an arithmetic number, because the mean of its divisors is an integer number (21367594615).

Almost surely, 2^42735189229 is an apocalyptic number.

It is an amenable number.

42735189229 is a deficient number, since it is larger than the sum of its proper divisors (1).

42735189229 is an equidigital number, since it uses as much as digits as its factorization.

42735189229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 52.

The spelling of 42735189229 in words is "forty-two billion, seven hundred thirty-five million, one hundred eighty-nine thousand, two hundred twenty-nine".