1338308873 has 4 divisors (see below), whose sum is σ = 1459973328. Its totient is φ = 1216644420.

The previous prime is 1338308869. The next prime is 1338308887. The reversal of 1338308873 is 3788038331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1338308873 - 2² = 1338308869 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1338308893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60832211 + ... + 60832232.

It is an arithmetic number, because the mean of its divisors is an integer number (364993332).

Almost surely, 2^1338308873 is an apocalyptic number.

It is an amenable number.

1338308873 is a deficient number, since it is larger than the sum of its proper divisors (121664455).

1338308873 is a wasteful number, since it uses less digits than its factorization.

1338308873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121664454.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 1338308873 is about 36582.9041083400. The cubic root of 1338308873 is about 1102.0097893516.

The spelling of 1338308873 in words is "one billion, three hundred thirty-eight million, three hundred eight thousand, eight hundred seventy-three".