41938513613 has 4 divisors (see below), whose sum is σ = 44405485020. Its totient is φ = 39471542208.

The previous prime is 41938513607. The next prime is 41938513679. The reversal of 41938513613 is 31631583914.

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

It can be written as a sum of positive squares in 2 ways, for example, as 37497224164 + 4441289449 = 193642^2 + 66643^2 .

It is not a de Polignac number, because 41938513613 - 2⁴ = 41938513597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41938543613) 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, 1233485678 + ... + 1233485711.

It is an arithmetic number, because the mean of its divisors is an integer number (11101371255).

Almost surely, 2^41938513613 is an apocalyptic number.

It is an amenable number.

41938513613 is a deficient number, since it is larger than the sum of its proper divisors (2466971407).

41938513613 is a wasteful number, since it uses less digits than its factorization.

41938513613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466971406.

The product of its digits is 233280, while the sum is 44.

The spelling of 41938513613 in words is "forty-one billion, nine hundred thirty-eight million, five hundred thirteen thousand, six hundred thirteen".