15456479049 has 80 divisors (see below), whose sum is σ = 26062935360. Its totient is φ = 9046131840.

The previous prime is 15456479047. The next prime is 15456479057. The reversal of 15456479049 is 94097465451.

15456479049 is a `hidden beast` number, since 1 + 5 + 4 + 564 + 79 + 0 + 4 + 9 = 666.

15456479049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15456479049 - 2¹ = 15456479047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15456478986 and 15456479004.

It is not an unprimeable number, because it can be changed into a prime (15456479047) 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 79 ways as a sum of consecutive naturals, for example, 4580727 + ... + 4584099.

It is an arithmetic number, because the mean of its divisors is an integer number (325786692).

Almost surely, 2^15456479049 is an apocalyptic number.

It is an amenable number.

15456479049 is a deficient number, since it is larger than the sum of its proper divisors (10606456311).

15456479049 is a wasteful number, since it uses less digits than its factorization.

15456479049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3572 (or 3563 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 15456479049 in words is "fifteen billion, four hundred fifty-six million, four hundred seventy-nine thousand, forty-nine".