1336688916049 has 4 divisors (see below), whose sum is σ = 1337476595364. Its totient is φ = 1335901236736.

The previous prime is 1336688915941. The next prime is 1336688916089. The reversal of 1336688916049 is 9406198866331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1167988140225 + 168700775824 = 1080735^2 + 410732^2 .

It is a cyclic number.

It is not a de Polignac number, because 1336688916049 - 2¹⁵ = 1336688883281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1336688916089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393837112 + ... + 393840505.

It is an arithmetic number, because the mean of its divisors is an integer number (334369148841).

Almost surely, 2^{1336688916049} is an apocalyptic number.

It is an amenable number.

1336688916049 is a deficient number, since it is larger than the sum of its proper divisors (787679315).

1336688916049 is an equidigital number, since it uses as much as digits as its factorization.

1336688916049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787679314.

The product of its (nonzero) digits is 40310784, while the sum is 64.

The spelling of 1336688916049 in words is "one trillion, three hundred thirty-six billion, six hundred eighty-eight million, nine hundred sixteen thousand, forty-nine".