41901643838 has 4 divisors (see below), whose sum is σ = 62852465760. Its totient is φ = 20950821918.

The previous prime is 41901643831. The next prime is 41901643853. The reversal of 41901643838 is 83834610914.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83834610914 = 2 ⋅41917305457.

It is a junction number, because it is equal to n+sod(n) for n = 41901643792 and 41901643801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41901643831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10475410958 + ... + 10475410961.

It is an arithmetic number, because the mean of its divisors is an integer number (15713116440).

Almost surely, 2^41901643838 is an apocalyptic number.

41901643838 is a deficient number, since it is larger than the sum of its proper divisors (20950821922).

41901643838 is a wasteful number, since it uses less digits than its factorization.

41901643838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20950821921.

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 41901643838 in words is "forty-one billion, nine hundred one million, six hundred forty-three thousand, eight hundred thirty-eight".