16133869349 has 8 divisors (see below), whose sum is σ = 17386914552. Its totient is φ = 14882535360.

The previous prime is 16133869333. The next prime is 16133869403. The reversal of 16133869349 is 94396833161.

It can be written as a sum of positive squares in 4 ways, for example, as 2337722500 + 13796146849 = 48350^2 + 117457^2 .

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 16133869349 - 2⁴ = 16133869333 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16133869349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16133869319) 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, 408182 + ... + 445959.

It is an arithmetic number, because the mean of its divisors is an integer number (2173364319).

Almost surely, 2^16133869349 is an apocalyptic number.

It is an amenable number.

16133869349 is a deficient number, since it is larger than the sum of its proper divisors (1253045203).

16133869349 is a wasteful number, since it uses less digits than its factorization.

16133869349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855607.

The product of its digits is 2519424, while the sum is 53.

The spelling of 16133869349 in words is "sixteen billion, one hundred thirty-three million, eight hundred sixty-nine thousand, three hundred forty-nine".