32386448639 has 16 divisors (see below), whose sum is σ = 33638827200. Its totient is φ = 31143377664.

The previous prime is 32386448623. The next prime is 32386448663. The reversal of 32386448639 is 93684468323.

It is a cyclic number.

It is not a de Polignac number, because 32386448639 - 2⁴ = 32386448623 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 (32386448839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8976974 + ... + 8980580.

It is an arithmetic number, because the mean of its divisors is an integer number (2102426700).

Almost surely, 2^32386448639 is an apocalyptic number.

32386448639 is a deficient number, since it is larger than the sum of its proper divisors (1252378561).

32386448639 is a wasteful number, since it uses less digits than its factorization.

32386448639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4802.

The product of its digits is 17915904, while the sum is 56.

The spelling of 32386448639 in words is "thirty-two billion, three hundred eighty-six million, four hundred forty-eight thousand, six hundred thirty-nine".