13642803329 has 8 divisors (see below), whose sum is σ = 13834716840. Its totient is φ = 13451936256.

The previous prime is 13642803313. The next prime is 13642803367. The reversal of 13642803329 is 92330824631.

It can be written as a sum of positive squares in 4 ways, for example, as 59367025 + 13583436304 = 7705^2 + 116548^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13642803329 - 2⁴ = 13642803313 is a prime.

It is a super-2 number, since 2×13642803329² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13642803379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235334 + ... + 287519.

It is an arithmetic number, because the mean of its divisors is an integer number (1729339605).

Almost surely, 2^13642803329 is an apocalyptic number.

It is an amenable number.

13642803329 is a deficient number, since it is larger than the sum of its proper divisors (191913511).

13642803329 is an equidigital number, since it uses as much as digits as its factorization.

13642803329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523219.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 13642803329 in words is "thirteen billion, six hundred forty-two million, eight hundred three thousand, three hundred twenty-nine".