32683540639 has 4 divisors (see below), whose sum is σ = 32899988080. Its totient is φ = 32467093200.

The previous prime is 32683540633. The next prime is 32683540679. The reversal of 32683540639 is 93604538623.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93604538623 = 35969 ⋅2602367.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32683540639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32683540592 and 32683540601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32683540633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108223494 + ... + 108223795.

It is an arithmetic number, because the mean of its divisors is an integer number (8224997020).

Almost surely, 2^32683540639 is an apocalyptic number.

32683540639 is a deficient number, since it is larger than the sum of its proper divisors (216447441).

32683540639 is a wasteful number, since it uses less digits than its factorization.

32683540639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216447440.

The product of its (nonzero) digits is 2799360, while the sum is 49.

The spelling of 32683540639 in words is "thirty-two billion, six hundred eighty-three million, five hundred forty thousand, six hundred thirty-nine".