41575579697 has 4 divisors (see below), whose sum is σ = 42145108260. Its totient is φ = 41006051136.

The previous prime is 41575579693. The next prime is 41575579699. The reversal of 41575579697 is 79697557514.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79697557514 = 2 ⋅39848778757.

It can be written as a sum of positive squares in 2 ways, for example, as 29271445921 + 12304133776 = 171089^2 + 110924^2 .

It is a cyclic number.

It is not a de Polignac number, because 41575579697 - 2² = 41575579693 is a prime.

It is a super-2 number, since 2×41575579697² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41575579693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284764172 + ... + 284764317.

It is an arithmetic number, because the mean of its divisors is an integer number (10536277065).

Almost surely, 2^41575579697 is an apocalyptic number.

It is an amenable number.

41575579697 is a deficient number, since it is larger than the sum of its proper divisors (569528563).

41575579697 is an equidigital number, since it uses as much as digits as its factorization.

41575579697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569528562.

The product of its digits is 83349000, while the sum is 65.

The spelling of 41575579697 in words is "forty-one billion, five hundred seventy-five million, five hundred seventy-nine thousand, six hundred ninety-seven".