4909804865472 has 224 divisors, whose sum is σ = 14677833447424. Its totient is φ = 1438008422400.

The previous prime is 4909804865437. The next prime is 4909804865473. The reversal of 4909804865472 is 2745684089094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4909804865473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4199823 + ... + 5240049.

It is an arithmetic number, because the mean of its divisors is an integer number (65526042176).

Almost surely, 2^{4909804865472} 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 4909804865472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7338916723712).

4909804865472 is an abundant number, since it is smaller than the sum of its proper divisors (9768028581952).

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

4909804865472 is a wasteful number, since it uses less digits than its factorization.

4909804865472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040347 (or 1040337 counting only the distinct ones).

The product of its (nonzero) digits is 139345920, while the sum is 66.

The spelling of 4909804865472 in words is "four trillion, nine hundred nine billion, eight hundred four million, eight hundred sixty-five thousand, four hundred seventy-two".