1338553487 has 2 divisors, whose sum is σ = 1338553488. Its totient is φ = 1338553486.

The previous prime is 1338553481. The next prime is 1338553499. The reversal of 1338553487 is 7843558331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1338553487 - 2¹² = 1338549391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1338553481) 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, 669276743 + 669276744.

It is an arithmetic number, because the mean of its divisors is an integer number (669276744).

Almost surely, 2^1338553487 is an apocalyptic number.

1338553487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338553487 is an equidigital number, since it uses as much as digits as its factorization.

1338553487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1209600, while the sum is 47.

The square root of 1338553487 is about 36586.2472385458. The cubic root of 1338553487 is about 1102.0769264692.

The spelling of 1338553487 in words is "one billion, three hundred thirty-eight million, five hundred fifty-three thousand, four hundred eighty-seven".