13949038948049 has 4 divisors (see below), whose sum is σ = 14555518902336. Its totient is φ = 13342558993764.

The previous prime is 13949038948043. The next prime is 13949038948099. The reversal of 13949038948049 is 94084983094931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13949038948049 - 2²⁰ = 13949037899473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13949038948043) 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, 303239977109 + ... + 303239977154.

It is an arithmetic number, because the mean of its divisors is an integer number (3638879725584).

Almost surely, 2^{13949038948049} is an apocalyptic number.

It is an amenable number.

13949038948049 is a deficient number, since it is larger than the sum of its proper divisors (606479954287).

13949038948049 is an equidigital number, since it uses as much as digits as its factorization.

13949038948049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606479954286.

The product of its (nonzero) digits is 241864704, while the sum is 71.

The spelling of 13949038948049 in words is "thirteen trillion, nine hundred forty-nine billion, thirty-eight million, nine hundred forty-eight thousand, forty-nine".