41720576640217 has 4 divisors (see below), whose sum is σ = 41720811049636. Its totient is φ = 41720342230800.

The previous prime is 41720576640209. The next prime is 41720576640227. The reversal of 41720576640217 is 71204667502714.

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 1973339419536 + 39747237220681 = 1404756^2 + 6304541^2 .

It is a cyclic number.

It is not a de Polignac number, because 41720576640217 - 2³ = 41720576640209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41720576640227) 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, 116937534 + ... + 117293767.

It is an arithmetic number, because the mean of its divisors is an integer number (10430202762409).

Almost surely, 2^{41720576640217} is an apocalyptic number.

It is an amenable number.

41720576640217 is a deficient number, since it is larger than the sum of its proper divisors (234409419).

41720576640217 is a wasteful number, since it uses less digits than its factorization.

41720576640217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234409418.

The product of its (nonzero) digits is 3951360, while the sum is 52.

The spelling of 41720576640217 in words is "forty-one trillion, seven hundred twenty billion, five hundred seventy-six million, six hundred forty thousand, two hundred seventeen".