32420716425217 has 4 divisors (see below), whose sum is σ = 32420739507156. Its totient is φ = 32420693343280.

The previous prime is 32420716425191. The next prime is 32420716425239. The reversal of 32420716425217 is 71252461702423.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20073616768881 + 12347099656336 = 4480359^2 + 3513844^2 .

It is a cyclic number.

It is not a de Polignac number, because 32420716425217 - 2¹⁹ = 32420715900929 is a prime.

It is a super-2 number, since 2×32420716425217² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32420716423217) 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, 9287398 + ... + 12292159.

It is an arithmetic number, because the mean of its divisors is an integer number (8105184876789).

Almost surely, 2^{32420716425217} is an apocalyptic number.

It is an amenable number.

32420716425217 is a deficient number, since it is larger than the sum of its proper divisors (23081939).

32420716425217 is a wasteful number, since it uses less digits than its factorization.

32420716425217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23081938.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 32420716425217 in words is "thirty-two trillion, four hundred twenty billion, seven hundred sixteen million, four hundred twenty-five thousand, two hundred seventeen".