13345664356 has 6 divisors (see below), whose sum is σ = 23354912630. Its totient is φ = 6672832176.

The previous prime is 13345664329. The next prime is 13345664389. The reversal of 13345664356 is 65346654331.

It can be written as a sum of positive squares in only one way, i.e., 11445576256 + 1900088100 = 106984^2 + 43590^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1668208041 + ... + 1668208048.

Almost surely, 2^13345664356 is an apocalyptic number.

It is an amenable number.

13345664356 is a deficient number, since it is larger than the sum of its proper divisors (10009248274).

13345664356 is a wasteful number, since it uses less digits than its factorization.

13345664356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3336416093 (or 3336416091 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 46.

The spelling of 13345664356 in words is "thirteen billion, three hundred forty-five million, six hundred sixty-four thousand, three hundred fifty-six".