14949805249 has 4 divisors (see below), whose sum is σ = 14956963780. Its totient is φ = 14942646720.

The previous prime is 14949805237. The next prime is 14949805279. The reversal of 14949805249 is 94250894941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94250894941 = 7 ⋅13464413563.

It can be written as a sum of positive squares in 2 ways, for example, as 5573369025 + 9376436224 = 74655^2 + 96832^2 .

It is a cyclic number.

It is not a de Polignac number, because 14949805249 - 2⁵ = 14949805217 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 14949805249.

It is not an unprimeable number, because it can be changed into a prime (14949805279) 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 3 ways as a sum of consecutive naturals, for example, 3576132 + ... + 3580309.

It is an arithmetic number, because the mean of its divisors is an integer number (3739240945).

Almost surely, 2^14949805249 is an apocalyptic number.

It is an amenable number.

14949805249 is a deficient number, since it is larger than the sum of its proper divisors (7158531).

14949805249 is an equidigital number, since it uses as much as digits as its factorization.

14949805249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7158530.

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 14949805249 in words is "fourteen billion, nine hundred forty-nine million, eight hundred five thousand, two hundred forty-nine".