41819031643 has 4 divisors (see below), whose sum is σ = 42003256680. Its totient is φ = 41634806608.

The previous prime is 41819031607. The next prime is 41819031671. The reversal of 41819031643 is 34613091814.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 41819031643 - 2⁹ = 41819031131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41819031596 and 41819031605.

It is not an unprimeable number, because it can be changed into a prime (41819031143) 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, 92112178 + ... + 92112631.

It is an arithmetic number, because the mean of its divisors is an integer number (10500814170).

Almost surely, 2^41819031643 is an apocalyptic number.

41819031643 is a deficient number, since it is larger than the sum of its proper divisors (184225037).

41819031643 is a wasteful number, since it uses less digits than its factorization.

41819031643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184225036.

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 41819031643 in words is "forty-one billion, eight hundred nineteen million, thirty-one thousand, six hundred forty-three".