41643431053657 has 4 divisors (see below), whose sum is σ = 41943024082960. Its totient is φ = 41343838024356.

The previous prime is 41643431053633. The next prime is 41643431053709. The reversal of 41643431053657 is 75635013434614.

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 not a de Polignac number, because 41643431053657 - 2⁷ = 41643431053529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41643431053157) 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, 149796514443 + ... + 149796514720.

It is an arithmetic number, because the mean of its divisors is an integer number (10485756020740).

Almost surely, 2^{41643431053657} is an apocalyptic number.

It is an amenable number.

41643431053657 is a deficient number, since it is larger than the sum of its proper divisors (299593029303).

41643431053657 is a wasteful number, since it uses less digits than its factorization.

41643431053657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299593029302.

The product of its (nonzero) digits is 10886400, while the sum is 52.

The spelling of 41643431053657 in words is "forty-one trillion, six hundred forty-three billion, four hundred thirty-one million, fifty-three thousand, six hundred fifty-seven".