32213819138 has 6 divisors (see below), whose sum is σ = 48321109449. Its totient is φ = 16106782656.

The previous prime is 32213819137. The next prime is 32213819153. The reversal of 32213819138 is 83191831223.

It can be written as a sum of positive squares in 2 ways, for example, as 24396253249 + 7817565889 = 156193^2 + 88417^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=126913.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32213819095 and 32213819104.

It is not an unprimeable number, because it can be changed into a prime (32213819137) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 190370 + ... + 317282.

Almost surely, 2^32213819138 is an apocalyptic number.

32213819138 is a deficient number, since it is larger than the sum of its proper divisors (16107290311).

32213819138 is an frugal number, since it uses more digits than its factorization.

32213819138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253828 (or 126915 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The spelling of 32213819138 in words is "thirty-two billion, two hundred thirteen million, eight hundred nineteen thousand, one hundred thirty-eight".