41656475541 has 4 divisors (see below), whose sum is σ = 55541967392. Its totient is φ = 27770983692.

The previous prime is 41656475479. The next prime is 41656475557. The reversal of 41656475541 is 14557465614.

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 de Polignac number, because none of the positive numbers 2^k-41656475541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41656475141) 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, 6942745921 + ... + 6942745926.

It is an arithmetic number, because the mean of its divisors is an integer number (13885491848).

Almost surely, 2^41656475541 is an apocalyptic number.

It is an amenable number.

41656475541 is a deficient number, since it is larger than the sum of its proper divisors (13885491851).

41656475541 is a wasteful number, since it uses less digits than its factorization.

41656475541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13885491850.

The product of its digits is 2016000, while the sum is 48.

The spelling of 41656475541 in words is "forty-one billion, six hundred fifty-six million, four hundred seventy-five thousand, five hundred forty-one".