13814331428 has 6 divisors (see below), whose sum is σ = 24175080006. Its totient is φ = 6907165712.

The previous prime is 13814331397. The next prime is 13814331437. The reversal of 13814331428 is 82413341831.

It can be written as a sum of positive squares in only one way, i.e., 10040440804 + 3773890624 = 100202^2 + 61432^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13814331391 and 13814331400.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1726791425 + ... + 1726791432.

It is an arithmetic number, because the mean of its divisors is an integer number (4029180001).

Almost surely, 2^13814331428 is an apocalyptic number.

It is an amenable number.

13814331428 is a deficient number, since it is larger than the sum of its proper divisors (10360748578).

13814331428 is a wasteful number, since it uses less digits than its factorization.

13814331428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3453582861 (or 3453582859 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The spelling of 13814331428 in words is "thirteen billion, eight hundred fourteen million, three hundred thirty-one thousand, four hundred twenty-eight".