32213421563 has 4 divisors (see below), whose sum is σ = 32215546560. Its totient is φ = 32211296568.

The previous prime is 32213421547. The next prime is 32213421593. The reversal of 32213421563 is 36512431223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36512431223 = 41 ⋅890547103.

It is a cyclic number.

It is not a de Polignac number, because 32213421563 - 2⁴ = 32213421547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32213421523) 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, 1039595 + ... + 1070132.

It is an arithmetic number, because the mean of its divisors is an integer number (8053886640).

Almost surely, 2^32213421563 is an apocalyptic number.

32213421563 is a deficient number, since it is larger than the sum of its proper divisors (2124997).

32213421563 is a wasteful number, since it uses less digits than its factorization.

32213421563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124996.

The product of its digits is 25920, while the sum is 32.

Adding to 32213421563 its reverse (36512431223), we get a palindrome (68725852786).

The spelling of 32213421563 in words is "thirty-two billion, two hundred thirteen million, four hundred twenty-one thousand, five hundred sixty-three".