249484815546 has 16 divisors (see below), whose sum is σ = 516175480800. Its totient is φ = 80293963568.

The previous prime is 249484815529. The next prime is 249484815551. The reversal of 249484815546 is 645518484942.

249484815546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 249484815546.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 716910216 + ... + 716910563.

It is an arithmetic number, because the mean of its divisors is an integer number (32260967550).

Almost surely, 2^249484815546 is an apocalyptic number.

249484815546 is an abundant number, since it is smaller than the sum of its proper divisors (266690665254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249484815546 is a wasteful number, since it uses less digits than its factorization.

249484815546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433820813.

The product of its digits is 44236800, while the sum is 60.

The spelling of 249484815546 in words is "two hundred forty-nine billion, four hundred eighty-four million, eight hundred fifteen thousand, five hundred forty-six".