1338263419 has 2 divisors, whose sum is σ = 1338263420. Its totient is φ = 1338263418.

The previous prime is 1338263417. The next prime is 1338263489. The reversal of 1338263419 is 9143628331.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1338263419 - 2¹ = 1338263417 is a prime.

It is a super-2 number, since 2×1338263419² = 3581897957267139122, which contains 22 as substring.

Together with 1338263417, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1338263413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669131709 + 669131710.

It is an arithmetic number, because the mean of its divisors is an integer number (669131710).

Almost surely, 2^1338263419 is an apocalyptic number.

1338263419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338263419 is an equidigital number, since it uses as much as digits as its factorization.

1338263419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 40.

The square root of 1338263419 is about 36582.2828565960. The cubic root of 1338263419 is about 1101.9973130787.

The spelling of 1338263419 in words is "one billion, three hundred thirty-eight million, two hundred sixty-three thousand, four hundred nineteen".