41793831421 has 4 divisors (see below), whose sum is σ = 42582394332. Its totient is φ = 41005268512.

The previous prime is 41793831383. The next prime is 41793831433. The reversal of 41793831421 is 12413839714.

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 21340827225 + 20453004196 = 146085^2 + 143014^2 .

It is a cyclic number.

It is not a de Polignac number, because 41793831421 - 2¹¹ = 41793829373 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 (41793811421) 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, 394281376 + ... + 394281481.

It is an arithmetic number, because the mean of its divisors is an integer number (10645598583).

Almost surely, 2^41793831421 is an apocalyptic number.

It is an amenable number.

41793831421 is a deficient number, since it is larger than the sum of its proper divisors (788562911).

41793831421 is an equidigital number, since it uses as much as digits as its factorization.

41793831421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788562910.

The product of its digits is 145152, while the sum is 43.

The spelling of 41793831421 in words is "forty-one billion, seven hundred ninety-three million, eight hundred thirty-one thousand, four hundred twenty-one".