411375984869 has 2 divisors, whose sum is σ = 411375984870. Its totient is φ = 411375984868.

The previous prime is 411375984847. The next prime is 411375984883. The reversal of 411375984869 is 968489573114.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 385811172769 + 25564812100 = 621137^2 + 159890^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-411375984869 is a prime.

It is a super-2 number, since 2×411375984869² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (411375984839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205687992434 + 205687992435.

It is an arithmetic number, because the mean of its divisors is an integer number (205687992435).

Almost surely, 2^411375984869 is an apocalyptic number.

It is an amenable number.

411375984869 is a deficient number, since it is larger than the sum of its proper divisors (1).

411375984869 is an equidigital number, since it uses as much as digits as its factorization.

411375984869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52254720, while the sum is 65.

The spelling of 411375984869 in words is "four hundred eleven billion, three hundred seventy-five million, nine hundred eighty-four thousand, eight hundred sixty-nine".