32543638473 has 8 divisors (see below), whose sum is σ = 43393655200. Its totient is φ = 21694690368.

The previous prime is 32543638453. The next prime is 32543638481. The reversal of 32543638473 is 37483634523.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 32543638473 - 2⁸ = 32543638217 is a prime.

It is a super-2 number, since 2×32543638473² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32543638453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193168 + ... + 320001.

It is an arithmetic number, because the mean of its divisors is an integer number (5424206900).

Almost surely, 2^32543638473 is an apocalyptic number.

It is an amenable number.

32543638473 is a deficient number, since it is larger than the sum of its proper divisors (10850016727).

32543638473 is a wasteful number, since it uses less digits than its factorization.

32543638473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534311.

The product of its digits is 4354560, while the sum is 48.

The spelling of 32543638473 in words is "thirty-two billion, five hundred forty-three million, six hundred thirty-eight thousand, four hundred seventy-three".