1409063869 has 2 divisors, whose sum is σ = 1409063870. Its totient is φ = 1409063868.

The previous prime is 1409063867. The next prime is 1409063879. The reversal of 1409063869 is 9683609041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 770895225 + 638168644 = 27765^2 + 25262^2 .

It is an emirp because it is prime and its reverse (9683609041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1409063869 - 2¹ = 1409063867 is a prime.

It is a super-3 number, since 3×1409063869³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 1409063867, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1409063867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704531934 + 704531935.

It is an arithmetic number, because the mean of its divisors is an integer number (704531935).

Almost surely, 2^1409063869 is an apocalyptic number.

It is an amenable number.

1409063869 is a deficient number, since it is larger than the sum of its proper divisors (1).

1409063869 is an equidigital number, since it uses as much as digits as its factorization.

1409063869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 1409063869 is about 37537.4995038295. The cubic root of 1409063869 is about 1121.0979531231.

The spelling of 1409063869 in words is "one billion, four hundred nine million, sixty-three thousand, eight hundred sixty-nine".