32645953109 has 96 divisors (see below), whose sum is σ = 44989032960. Its totient is φ = 23369472000.

The previous prime is 32645953097. The next prime is 32645953117. The reversal of 32645953109 is 90135954623.

It is not a de Polignac number, because 32645953109 - 2³² = 28350985813 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32645953129) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 27181709 + ... + 27182909.

It is an arithmetic number, because the mean of its divisors is an integer number (468635760).

Almost surely, 2^32645953109 is an apocalyptic number.

It is an amenable number.

32645953109 is a deficient number, since it is larger than the sum of its proper divisors (12343079851).

32645953109 is a wasteful number, since it uses less digits than its factorization.

32645953109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339 (or 1332 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 47.

The spelling of 32645953109 in words is "thirty-two billion, six hundred forty-five million, nine hundred fifty-three thousand, one hundred nine".