41657544361 has 4 divisors (see below), whose sum is σ = 41660662612. Its totient is φ = 41654426112.

The previous prime is 41657544353. The next prime is 41657544373. The reversal of 41657544361 is 16344575614.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16344575614 = 2 ⋅8172287807.

It can be written as a sum of positive squares in 2 ways, for example, as 24580281961 + 17077262400 = 156781^2 + 130680^2 .

It is a cyclic number.

It is not a de Polignac number, because 41657544361 - 2³ = 41657544353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41657541361) 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, 1539000 + ... + 1565833.

It is an arithmetic number, because the mean of its divisors is an integer number (10415165653).

Almost surely, 2^41657544361 is an apocalyptic number.

It is an amenable number.

41657544361 is a deficient number, since it is larger than the sum of its proper divisors (3118251).

41657544361 is a wasteful number, since it uses less digits than its factorization.

41657544361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3118250.

The product of its digits is 1209600, while the sum is 46.

The spelling of 41657544361 in words is "forty-one billion, six hundred fifty-seven million, five hundred forty-four thousand, three hundred sixty-one".