35648221009 has 4 divisors (see below), whose sum is σ = 37745175204. Its totient is φ = 33551266816.

The previous prime is 35648220977. The next prime is 35648221027. The reversal of 35648221009 is 90012284653.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90012284653 = 15733 ⋅5721241.

It can be written as a sum of positive squares in 2 ways, for example, as 17918499600 + 17729721409 = 133860^2 + 133153^2 .

It is a cyclic number.

It is not a de Polignac number, because 35648221009 - 2⁵ = 35648220977 is a prime.

It is a super-2 number, since 2×35648221009² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35648221099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1048477072 + ... + 1048477105.

It is an arithmetic number, because the mean of its divisors is an integer number (9436293801).

Almost surely, 2^35648221009 is an apocalyptic number.

It is an amenable number.

35648221009 is a deficient number, since it is larger than the sum of its proper divisors (2096954195).

35648221009 is a wasteful number, since it uses less digits than its factorization.

35648221009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096954194.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 35648221009 in words is "thirty-five billion, six hundred forty-eight million, two hundred twenty-one thousand, nine".