41721985339 has 2 divisors, whose sum is σ = 41721985340. Its totient is φ = 41721985338.

The previous prime is 41721985337. The next prime is 41721985381. The reversal of 41721985339 is 93358912714.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41721985339 - 2¹ = 41721985337 is a prime.

Together with 41721985337, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (41721985337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20860992669 + 20860992670.

It is an arithmetic number, because the mean of its divisors is an integer number (20860992670).

Almost surely, 2^41721985339 is an apocalyptic number.

41721985339 is a deficient number, since it is larger than the sum of its proper divisors (1).

41721985339 is an equidigital number, since it uses as much as digits as its factorization.

41721985339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 52.

The spelling of 41721985339 in words is "forty-one billion, seven hundred twenty-one million, nine hundred eighty-five thousand, three hundred thirty-nine".