5249781546 has 32 divisors (see below), whose sum is σ = 10728547200. Its totient is φ = 1711953984.

The previous prime is 5249781541. The next prime is 5249781547. The reversal of 5249781546 is 6451879425.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5249781541) 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 15 ways as a sum of consecutive naturals, for example, 87331 + ... + 134633.

It is an arithmetic number, because the mean of its divisors is an integer number (335267100).

Almost surely, 2^5249781546 is an apocalyptic number.

5249781546 is an abundant number, since it is smaller than the sum of its proper divisors (5478765654).

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

5249781546 is a wasteful number, since it uses less digits than its factorization.

5249781546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47710.

The product of its digits is 2419200, while the sum is 51.

The square root of 5249781546 is about 72455.3762394482. The cubic root of 5249781546 is about 1737.9892156986.

The spelling of 5249781546 in words is "five billion, two hundred forty-nine million, seven hundred eighty-one thousand, five hundred forty-six".