13365668019 has 8 divisors (see below), whose sum is σ = 19440971712. Its totient is φ = 8100404840.

The previous prime is 13365667981. The next prime is 13365668051. The reversal of 13365668019 is 91086656331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13365668019 - 2⁷ = 13365667891 is a prime.

It is a super-2 number, since 2×13365668019² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13365668119) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 202510089 + ... + 202510154.

It is an arithmetic number, because the mean of its divisors is an integer number (2430121464).

Almost surely, 2^13365668019 is an apocalyptic number.

13365668019 is a deficient number, since it is larger than the sum of its proper divisors (6075303693).

13365668019 is a wasteful number, since it uses less digits than its factorization.

13365668019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405020257.

The product of its (nonzero) digits is 699840, while the sum is 48.

The spelling of 13365668019 in words is "thirteen billion, three hundred sixty-five million, six hundred sixty-eight thousand, nineteen".