34220065651 has 4 divisors (see below), whose sum is σ = 34256201832. Its totient is φ = 34183929472.

The previous prime is 34220065609. The next prime is 34220065661. The reversal of 34220065651 is 15656002243.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34220065651 - 2¹⁵ = 34220032883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34220065661) 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 in 3 ways as a sum of consecutive naturals, for example, 18066670 + ... + 18068563.

It is an arithmetic number, because the mean of its divisors is an integer number (8564050458).

Almost surely, 2^34220065651 is an apocalyptic number.

34220065651 is a deficient number, since it is larger than the sum of its proper divisors (36136181).

34220065651 is an equidigital number, since it uses as much as digits as its factorization.

34220065651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36136180.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 34220065651 its reverse (15656002243), we get a palindrome (49876067894).

The spelling of 34220065651 in words is "thirty-four billion, two hundred twenty million, sixty-five thousand, six hundred fifty-one".