32421032197 has 8 divisors (see below), whose sum is σ = 34389792216. Its totient is φ = 30459121152.

The previous prime is 32421032177. The next prime is 32421032221. The reversal of 32421032197 is 79123012423.

It can be written as a sum of positive squares in 4 ways, for example, as 15992001 + 32405040196 = 3999^2 + 180014^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 32421032197 - 2¹⁹ = 32420507909 is a prime.

It is a super-2 number, since 2×32421032197² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32421032167) 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, 1702488 + ... + 1721425.

It is an arithmetic number, because the mean of its divisors is an integer number (4298724027).

Almost surely, 2^32421032197 is an apocalyptic number.

It is an amenable number.

32421032197 is a deficient number, since it is larger than the sum of its proper divisors (1968760019).

32421032197 is a wasteful number, since it uses less digits than its factorization.

32421032197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424487.

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 32421032197 in words is "thirty-two billion, four hundred twenty-one million, thirty-two thousand, one hundred ninety-seven".