6245988786972 has 576 divisors, whose sum is σ = 19343310604800. Its totient is φ = 1726913986560.

The previous prime is 6245988786929. The next prime is 6245988786977. The reversal of 6245988786972 is 2796878895426.

6245988786972 is a `hidden beast` number, since 6 + 2 + 459 + 8 + 8 + 78 + 6 + 97 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 6245988786891 and 6245988786900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6245988786977) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4281005979 + ... + 4281007437.

Almost surely, 2^{6245988786972} 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 6245988786972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9671655302400).

6245988786972 is an abundant number, since it is smaller than the sum of its proper divisors (13097321817828).

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

6245988786972 is a wasteful number, since it uses less digits than its factorization.

6245988786972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891 (or 1866 counting only the distinct ones).

The product of its digits is 5852528640, while the sum is 81.

The spelling of 6245988786972 in words is "six trillion, two hundred forty-five billion, nine hundred eighty-eight million, seven hundred eighty-six thousand, nine hundred seventy-two".