413987069 has 2 divisors, whose sum is σ = 413987070. Its totient is φ = 413987068.

The previous prime is 413987047. The next prime is 413987071. The reversal of 413987069 is 960789314.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 352050169 + 61936900 = 18763^2 + 7870^2 .

It is a cyclic number.

It is not a de Polignac number, because 413987069 - 2⁸ = 413986813 is a prime.

It is a super-2 number, since 2×413987069² = 342770586598421522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 413987071, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (413987039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206993534 + 206993535.

It is an arithmetic number, because the mean of its divisors is an integer number (206993535).

Almost surely, 2^413987069 is an apocalyptic number.

It is an amenable number.

413987069 is a deficient number, since it is larger than the sum of its proper divisors (1).

413987069 is an equidigital number, since it uses as much as digits as its factorization.

413987069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 413987069 is about 20346.6721849053. The cubic root of 413987069 is about 745.2962316086.

The spelling of 413987069 in words is "four hundred thirteen million, nine hundred eighty-seven thousand, sixty-nine".