42633661229 has 2 divisors, whose sum is σ = 42633661230. Its totient is φ = 42633661228.

The previous prime is 42633661211. The next prime is 42633661237. The reversal of 42633661229 is 92216633624.

It is a happy number.

42633661229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42569180329 + 64480900 = 206323^2 + 8030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42633661229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42633661229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42633661129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21316830614 + 21316830615.

It is an arithmetic number, because the mean of its divisors is an integer number (21316830615).

Almost surely, 2^42633661229 is an apocalyptic number.

It is an amenable number.

42633661229 is a deficient number, since it is larger than the sum of its proper divisors (1).

42633661229 is an equidigital number, since it uses as much as digits as its factorization.

42633661229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 44.

The spelling of 42633661229 in words is "forty-two billion, six hundred thirty-three million, six hundred sixty-one thousand, two hundred twenty-nine".