1338628373 has 2 divisors, whose sum is σ = 1338628374. Its totient is φ = 1338628372.

The previous prime is 1338628349. The next prime is 1338628427. The reversal of 1338628373 is 3738268331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1147718884 + 190909489 = 33878^2 + 13817^2 .

It is a cyclic number.

It is not a de Polignac number, because 1338628373 - 2⁸ = 1338628117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1338628873) 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, 669314186 + 669314187.

It is an arithmetic number, because the mean of its divisors is an integer number (669314187).

Almost surely, 2^1338628373 is an apocalyptic number.

It is an amenable number.

1338628373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338628373 is an equidigital number, since it uses as much as digits as its factorization.

1338628373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 44.

The square root of 1338628373 is about 36587.2706415770. The cubic root of 1338628373 is about 1102.0974781554.

The spelling of 1338628373 in words is "one billion, three hundred thirty-eight million, six hundred twenty-eight thousand, three hundred seventy-three".