32821138427 has 16 divisors (see below), whose sum is σ = 41871489792. Its totient is φ = 24980145120.

The previous prime is 32821138393. The next prime is 32821138429. The reversal of 32821138427 is 72483112823.

It is not a de Polignac number, because 32821138427 - 2¹⁰ = 32821137403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32821138429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4953068 + ... + 4959689.

It is an arithmetic number, because the mean of its divisors is an integer number (2616968112).

Almost surely, 2^32821138427 is an apocalyptic number.

32821138427 is a deficient number, since it is larger than the sum of its proper divisors (9050351365).

32821138427 is a wasteful number, since it uses less digits than its factorization.

32821138427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9912818.

The product of its digits is 129024, while the sum is 41.

The spelling of 32821138427 in words is "thirty-two billion, eight hundred twenty-one million, one hundred thirty-eight thousand, four hundred twenty-seven".