34352650664639 has 4 divisors (see below), whose sum is σ = 34427820579024. Its totient is φ = 34277480750256.

The previous prime is 34352650664593. The next prime is 34352650664659. The reversal of 34352650664639 is 93646605625343.

It is a happy number.

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 34352650664639 - 2¹² = 34352650660543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34352650664659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37584956507 + ... + 37584957420.

It is an arithmetic number, because the mean of its divisors is an integer number (8606955144756).

Almost surely, 2^{34352650664639} is an apocalyptic number.

34352650664639 is a deficient number, since it is larger than the sum of its proper divisors (75169914385).

34352650664639 is an equidigital number, since it uses as much as digits as its factorization.

34352650664639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75169914384.

The product of its (nonzero) digits is 251942400, while the sum is 62.

The spelling of 34352650664639 in words is "thirty-four trillion, three hundred fifty-two billion, six hundred fifty million, six hundred sixty-four thousand, six hundred thirty-nine".