41943764218 has 4 divisors (see below), whose sum is σ = 62915646330. Its totient is φ = 20971882108.

The previous prime is 41943764197. The next prime is 41943764237. The reversal of 41943764218 is 81246734914.

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: 81246734914 = 2 ⋅40623367457.

It can be written as a sum of positive squares in only one way, i.e., 37963794649 + 3979969569 = 194843^2 + 63087^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10485941053 + ... + 10485941056.

Almost surely, 2^41943764218 is an apocalyptic number.

41943764218 is a deficient number, since it is larger than the sum of its proper divisors (20971882112).

41943764218 is a wasteful number, since it uses less digits than its factorization.

41943764218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20971882111.

The product of its digits is 1161216, while the sum is 49.

The spelling of 41943764218 in words is "forty-one billion, nine hundred forty-three million, seven hundred sixty-four thousand, two hundred eighteen".