41604659857 has 4 divisors (see below), whose sum is σ = 41642795376. Its totient is φ = 41566524340.

The previous prime is 41604659809. The next prime is 41604659939. The reversal of 41604659857 is 75895640614.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41604659857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41604659798 and 41604659807.

It is not an unprimeable number, because it can be changed into a prime (41604651857) 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, 19066123 + ... + 19068304.

It is an arithmetic number, because the mean of its divisors is an integer number (10410698844).

Almost surely, 2^41604659857 is an apocalyptic number.

It is an amenable number.

41604659857 is a deficient number, since it is larger than the sum of its proper divisors (38135519).

41604659857 is a wasteful number, since it uses less digits than its factorization.

41604659857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38135518.

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 41604659857 in words is "forty-one billion, six hundred four million, six hundred fifty-nine thousand, eight hundred fifty-seven".