4909287785472 has 704 divisors, whose sum is σ = 17476676812800. Its totient is φ = 1331709050880.

The previous prime is 4909287785459. The next prime is 4909287785539. The reversal of 4909287785472 is 2745877829094.

4909287785472 is a `hidden beast` number, since 4 + 9 + 0 + 9 + 2 + 8 + 7 + 78 + 547 + 2 = 666.

It is a super-2 number, since 2×4909287785472² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 4909287785472.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 317971929 + ... + 317987367.

Almost surely, 2^{4909287785472} is an apocalyptic number.

4909287785472 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4909287785472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8738338406400).

4909287785472 is an abundant number, since it is smaller than the sum of its proper divisors (12567389027328).

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

4909287785472 is a wasteful number, since it uses less digits than its factorization.

4909287785472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15559 (or 15535 counting only the distinct ones).

The product of its (nonzero) digits is 568995840, while the sum is 72.

The spelling of 4909287785472 in words is "four trillion, nine hundred nine billion, two hundred eighty-seven million, seven hundred eighty-five thousand, four hundred seventy-two".