411688969 has 2 divisors, whose sum is σ = 411688970. Its totient is φ = 411688968.

The previous prime is 411688957. The next prime is 411688999. The reversal of 411688969 is 969886114.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 353928969 + 57760000 = 18813^2 + 7600^2 .

It is a cyclic number.

It is not a de Polignac number, because 411688969 - 2¹¹ = 411686921 is a prime.

It is a super-2 number, since 2×411688969² = 338975614392565922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (411688909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205844484 + 205844485.

It is an arithmetic number, because the mean of its divisors is an integer number (205844485).

Almost surely, 2^411688969 is an apocalyptic number.

It is an amenable number.

411688969 is a deficient number, since it is larger than the sum of its proper divisors (1).

411688969 is an equidigital number, since it uses as much as digits as its factorization.

411688969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 52.

The square root of 411688969 is about 20290.1199848596. The cubic root of 411688969 is about 743.9145907516.

The spelling of 411688969 in words is "four hundred eleven million, six hundred eighty-eight thousand, nine hundred sixty-nine".