1338722853 has 48 divisors (see below), whose sum is σ = 2025414720. Its totient is φ = 785121792.

The previous prime is 1338722839. The next prime is 1338722867. The reversal of 1338722853 is 3582278331.

1338722853 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1338722839) and next prime (1338722867).

It is not a de Polignac number, because 1338722853 - 2¹⁴ = 1338706469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338722873) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1219801 + ... + 1220897.

It is an arithmetic number, because the mean of its divisors is an integer number (42196140).

Almost surely, 2^1338722853 is an apocalyptic number.

1338722853 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1338722853 is a deficient number, since it is larger than the sum of its proper divisors (686691867).

1338722853 is a wasteful number, since it uses less digits than its factorization.

1338722853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238 (or 1225 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 1338722853 is about 36588.5617782388. The cubic root of 1338722853 is about 1102.1234061182.

The spelling of 1338722853 in words is "one billion, three hundred thirty-eight million, seven hundred twenty-two thousand, eight hundred fifty-three".