6249487356 has 144 divisors (see below), whose sum is σ = 18756541440. Its totient is φ = 1716624000.

The previous prime is 6249487313. The next prime is 6249487357. The reversal of 6249487356 is 6537849426.

6249487356 is a `hidden beast` number, since 6 + 249 + 48 + 7 + 356 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6249487357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1832605 + ... + 1836011.

It is an arithmetic number, because the mean of its divisors is an integer number (130253760).

Almost surely, 2^6249487356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6249487356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9378270720).

6249487356 is an abundant number, since it is smaller than the sum of its proper divisors (12507054084).

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

6249487356 is a wasteful number, since it uses less digits than its factorization.

6249487356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3704 (or 3699 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The square root of 6249487356 is about 79053.6991923844. The cubic root of 6249487356 is about 1841.9653853660.

The spelling of 6249487356 in words is "six billion, two hundred forty-nine million, four hundred eighty-seven thousand, three hundred fifty-six".