32646464623 has 4 divisors (see below), whose sum is σ = 32969697048. Its totient is φ = 32323232200.

The previous prime is 32646464581. The next prime is 32646464659.

32646464623 is nontrivially palindromic in base 10.

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 32646464623 - 2³³ = 24056530031 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 (32646464693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161616061 + ... + 161616262.

It is an arithmetic number, because the mean of its divisors is an integer number (8242424262).

Almost surely, 2^32646464623 is an apocalyptic number.

32646464623 is a deficient number, since it is larger than the sum of its proper divisors (323232425).

32646464623 is a wasteful number, since it uses less digits than its factorization.

32646464623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323232424.

The product of its digits is 2985984, while the sum is 46.

The spelling of 32646464623 in words is "thirty-two billion, six hundred forty-six million, four hundred sixty-four thousand, six hundred twenty-three".