41641512785 has 4 divisors (see below), whose sum is σ = 49969815348. Its totient is φ = 33313210224.

The previous prime is 41641512779. The next prime is 41641512823. The reversal of 41641512785 is 58721514614.

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 14208878401 + 27432634384 = 119201^2 + 165628^2 .

It is a cyclic number.

It is not a de Polignac number, because 41641512785 - 2²⁶ = 41574403921 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4164151274 + ... + 4164151283.

It is an arithmetic number, because the mean of its divisors is an integer number (12492453837).

Almost surely, 2^41641512785 is an apocalyptic number.

It is an amenable number.

41641512785 is a deficient number, since it is larger than the sum of its proper divisors (8328302563).

41641512785 is an equidigital number, since it uses as much as digits as its factorization.

41641512785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8328302562.

The product of its digits is 268800, while the sum is 44.

The spelling of 41641512785 in words is "forty-one billion, six hundred forty-one million, five hundred twelve thousand, seven hundred eighty-five".