32609449873 has 48 divisors (see below), whose sum is σ = 44670890880. Its totient is φ = 23399712000.

The previous prime is 32609449853. The next prime is 32609449897. The reversal of 32609449873 is 37894490623.

It is a happy number.

It is not a de Polignac number, because 32609449873 - 2⁹ = 32609449361 is a prime.

It is a super-2 number, since 2×32609449873² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32609449853) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3070773 + ... + 3081373.

It is an arithmetic number, because the mean of its divisors is an integer number (930643560).

Almost surely, 2^32609449873 is an apocalyptic number.

It is an amenable number.

32609449873 is a deficient number, since it is larger than the sum of its proper divisors (12061441007).

32609449873 is a wasteful number, since it uses less digits than its factorization.

32609449873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11078 (or 11071 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 55.

The spelling of 32609449873 in words is "thirty-two billion, six hundred nine million, four hundred forty-nine thousand, eight hundred seventy-three".