1063378369 has 2 divisors, whose sum is σ = 1063378370. Its totient is φ = 1063378368.

The previous prime is 1063378367. The next prime is 1063378411. The reversal of 1063378369 is 9638733601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 557668225 + 505710144 = 23615^2 + 22488^2 .

It is a cyclic number.

It is not a de Polignac number, because 1063378369 - 2¹ = 1063378367 is a prime.

It is a super-2 number, since 2×1063378369² = 2261547111314200322, which contains 22 as substring.

Together with 1063378367, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1063378367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531689184 + 531689185.

It is an arithmetic number, because the mean of its divisors is an integer number (531689185).

Almost surely, 2^1063378369 is an apocalyptic number.

It is an amenable number.

1063378369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1063378369 is an equidigital number, since it uses as much as digits as its factorization.

1063378369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 46.

The square root of 1063378369 is about 32609.4828079195. The cubic root of 1063378369 is about 1020.6948901305.

The spelling of 1063378369 in words is "one billion, sixty-three million, three hundred seventy-eight thousand, three hundred sixty-nine".