3836438453321 has 8 divisors (see below), whose sum is σ = 4033790574600. Its totient is φ = 3643423741440.

The previous prime is 3836438453299. The next prime is 3836438453369. The reversal of 3836438453321 is 1233548346383.

It can be written as a sum of positive squares in 4 ways, for example, as 197638039225 + 3638800414096 = 444565^2 + 1907564^2 .

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 3836438453321 - 2⁶ = 3836438453257 is a prime.

It is a super-2 number, since 2×3836438453321² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3836438450321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1084350536 + ... + 1084354073.

It is an arithmetic number, because the mean of its divisors is an integer number (504223821825).

Almost surely, 2^{3836438453321} is an apocalyptic number.

It is an amenable number.

3836438453321 is a deficient number, since it is larger than the sum of its proper divisors (197352121279).

3836438453321 is a wasteful number, since it uses less digits than its factorization.

3836438453321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168704699.

The product of its digits is 14929920, while the sum is 53.

The spelling of 3836438453321 in words is "three trillion, eight hundred thirty-six billion, four hundred thirty-eight million, four hundred fifty-three thousand, three hundred twenty-one".