14728919049 has 24 divisors (see below), whose sum is σ = 23343957000. Its totient is φ = 8892928512.

The previous prime is 14728919021. The next prime is 14728919053. The reversal of 14728919049 is 94091982741.

14728919049 is a `hidden beast` number, since 1 + 472 + 89 + 1 + 90 + 4 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3230217225 + 11498701824 = 56835^2 + 107232^2 .

It is not a de Polignac number, because 14728919049 - 2¹¹ = 14728917001 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 14728918986 and 14728919004.

It is not an unprimeable number, because it can be changed into a prime (14728919059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1181424 + ... + 1193825.

It is an arithmetic number, because the mean of its divisors is an integer number (972664875).

Almost surely, 2^14728919049 is an apocalyptic number.

It is an amenable number.

14728919049 is a deficient number, since it is larger than the sum of its proper divisors (8615037951).

14728919049 is a wasteful number, since it uses less digits than its factorization.

14728919049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375321 (or 2375318 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 14728919049 in words is "fourteen billion, seven hundred twenty-eight million, nine hundred nineteen thousand, forty-nine".