411985217939 has 2 divisors, whose sum is σ = 411985217940. Its totient is φ = 411985217938.

The previous prime is 411985217927. The next prime is 411985217953. The reversal of 411985217939 is 939712589114.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-411985217939 is a prime.

It is not a weakly prime, because it can be changed into another prime (411985217999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205992608969 + 205992608970.

It is an arithmetic number, because the mean of its divisors is an integer number (205992608970).

Almost surely, 2^411985217939 is an apocalyptic number.

411985217939 is a deficient number, since it is larger than the sum of its proper divisors (1).

411985217939 is an equidigital number, since it uses as much as digits as its factorization.

411985217939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4898880, while the sum is 59.

The spelling of 411985217939 in words is "four hundred eleven billion, nine hundred eighty-five million, two hundred seventeen thousand, nine hundred thirty-nine".