34636226021 has 2 divisors, whose sum is σ = 34636226022. Its totient is φ = 34636226020.

The previous prime is 34636226011. The next prime is 34636226063. The reversal of 34636226021 is 12062263643.

34636226021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29525548900 + 5110677121 = 171830^2 + 71489^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34636226021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34636226011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17318113010 + 17318113011.

It is an arithmetic number, because the mean of its divisors is an integer number (17318113011).

Almost surely, 2^34636226021 is an apocalyptic number.

It is an amenable number.

34636226021 is a deficient number, since it is larger than the sum of its proper divisors (1).

34636226021 is an equidigital number, since it uses as much as digits as its factorization.

34636226021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 34636226021 its reverse (12062263643), we get a palindrome (46698489664).

It can be divided in two parts, 3463622 and 6021, that added together give a palindrome (3469643).

The spelling of 34636226021 in words is "thirty-four billion, six hundred thirty-six million, two hundred twenty-six thousand, twenty-one".