13361395949 has 16 divisors (see below), whose sum is σ = 14740759296. Its totient is φ = 12009816000.

The previous prime is 13361395937. The next prime is 13361395967. The reversal of 13361395949 is 94959316331.

It is a cyclic number.

It is not a de Polignac number, because 13361395949 - 2¹⁶ = 13361330413 is a prime.

It is a super-2 number, since 2×13361395949² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13361395949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13361395969) 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 15 ways as a sum of consecutive naturals, for example, 833084 + ... + 848970.

It is an arithmetic number, because the mean of its divisors is an integer number (921297456).

Almost surely, 2^13361395949 is an apocalyptic number.

It is an amenable number.

13361395949 is a deficient number, since it is larger than the sum of its proper divisors (1379363347).

13361395949 is a wasteful number, since it uses less digits than its factorization.

13361395949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16756.

The product of its digits is 2361960, while the sum is 53.

The spelling of 13361395949 in words is "thirteen billion, three hundred sixty-one million, three hundred ninety-five thousand, nine hundred forty-nine".