32643453642 has 64 divisors (see below), whose sum is σ = 67640002560. Its totient is φ = 10498029696.

The previous prime is 32643453637. The next prime is 32643453707. The reversal of 32643453642 is 24635434623.

It is a junction number, because it is equal to n+sod(n) for n = 32643453594 and 32643453603.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3823983 + ... + 3832509.

It is an arithmetic number, because the mean of its divisors is an integer number (1056875040).

Almost surely, 2^32643453642 is an apocalyptic number.

32643453642 is an abundant number, since it is smaller than the sum of its proper divisors (34996548918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32643453642 is a wasteful number, since it uses less digits than its factorization.

32643453642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8795.

The product of its digits is 1244160, while the sum is 42.

The spelling of 32643453642 in words is "thirty-two billion, six hundred forty-three million, four hundred fifty-three thousand, six hundred forty-two".