41577109721 has 4 divisors (see below), whose sum is σ = 47516696832. Its totient is φ = 35637522612.

The previous prime is 41577109711. The next prime is 41577109771. The reversal of 41577109721 is 12790177514.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12790177514 = 2 ⋅6395088757.

It is a cyclic number.

It is not a de Polignac number, because 41577109721 - 2¹⁸ = 41576847577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41577109711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2969793545 + ... + 2969793558.

It is an arithmetic number, because the mean of its divisors is an integer number (11879174208).

Almost surely, 2^41577109721 is an apocalyptic number.

It is an amenable number.

41577109721 is a deficient number, since it is larger than the sum of its proper divisors (5939587111).

41577109721 is an equidigital number, since it uses as much as digits as its factorization.

41577109721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5939587110.

The product of its (nonzero) digits is 123480, while the sum is 44.

The spelling of 41577109721 in words is "forty-one billion, five hundred seventy-seven million, one hundred nine thousand, seven hundred twenty-one".