13945556049 has 8 divisors (see below), whose sum is σ = 18802997280. Its totient is φ = 9192576096.

The previous prime is 13945556039. The next prime is 13945556069. The reversal of 13945556049 is 94065554931.

13945556049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13945556049 - 2⁵ = 13945556017 is a prime.

It is a super-3 number, since 3×13945556049³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13945555992 and 13945556010.

It is not an unprimeable number, because it can be changed into a prime (13945556039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26115007 + ... + 26115540.

It is an arithmetic number, because the mean of its divisors is an integer number (2350374660).

Almost surely, 2^13945556049 is an apocalyptic number.

It is an amenable number.

13945556049 is a deficient number, since it is larger than the sum of its proper divisors (4857441231).

13945556049 is an equidigital number, since it uses as much as digits as its factorization.

13945556049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52230639.

The product of its (nonzero) digits is 2916000, while the sum is 51.

The spelling of 13945556049 in words is "thirteen billion, nine hundred forty-five million, five hundred fifty-six thousand, forty-nine".