13953738349 has 16 divisors (see below), whose sum is σ = 14524963200. Its totient is φ = 13394122560.

The previous prime is 13953738347. The next prime is 13953738389. The reversal of 13953738349 is 94383735931.

It is a cyclic number.

It is not a de Polignac number, because 13953738349 - 2¹ = 13953738347 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 13953738349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13953738341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5472927 + ... + 5475475.

It is an arithmetic number, because the mean of its divisors is an integer number (907810200).

Almost surely, 2^13953738349 is an apocalyptic number.

It is an amenable number.

13953738349 is a deficient number, since it is larger than the sum of its proper divisors (571224851).

13953738349 is a wasteful number, since it uses less digits than its factorization.

13953738349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4740.

The product of its digits is 7348320, while the sum is 55.

The spelling of 13953738349 in words is "thirteen billion, nine hundred fifty-three million, seven hundred thirty-eight thousand, three hundred forty-nine".