409970663 has 2 divisors, whose sum is σ = 409970664. Its totient is φ = 409970662.

The previous prime is 409970633. The next prime is 409970677. The reversal of 409970663 is 366079904.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 409970663 - 2¹⁰ = 409969639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (409970633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204985331 + 204985332.

It is an arithmetic number, because the mean of its divisors is an integer number (204985332).

Almost surely, 2^409970663 is an apocalyptic number.

409970663 is a deficient number, since it is larger than the sum of its proper divisors (1).

409970663 is an equidigital number, since it uses as much as digits as its factorization.

409970663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 409970663 is about 20247.7322927779. The cubic root of 409970663 is about 742.8781647492.

The spelling of 409970663 in words is "four hundred nine million, nine hundred seventy thousand, six hundred sixty-three".