34454210221 has 2 divisors, whose sum is σ = 34454210222. Its totient is φ = 34454210220.

The previous prime is 34454210207. The next prime is 34454210239. The reversal of 34454210221 is 12201245443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24968424196 + 9485786025 = 158014^2 + 97395^2 .

It is an emirp because it is prime and its reverse (12201245443) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34454210221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34454210221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34454210201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17227105110 + 17227105111.

It is an arithmetic number, because the mean of its divisors is an integer number (17227105111).

Almost surely, 2^34454210221 is an apocalyptic number.

It is an amenable number.

34454210221 is a deficient number, since it is larger than the sum of its proper divisors (1).

34454210221 is an equidigital number, since it uses as much as digits as its factorization.

34454210221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 34454210221 its reverse (12201245443), we get a palindrome (46655455664).

The spelling of 34454210221 in words is "thirty-four billion, four hundred fifty-four million, two hundred ten thousand, two hundred twenty-one".