4921786477248 has 112 divisors (see below), whose sum is σ = 13233816494976. Its totient is φ = 1614102589440.

The previous prime is 4921786477207. The next prime is 4921786477249. The reversal of 4921786477248 is 8427746871294.

It is not an unprimeable number, because it can be changed into a prime (4921786477249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3199815 + ... + 4481337.

It is an arithmetic number, because the mean of its divisors is an integer number (118159075848).

Almost surely, 2^{4921786477248} is an apocalyptic number.

4921786477248 is a gapful number since it is divisible by the number (48) 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 4921786477248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6616908247488).

4921786477248 is an abundant number, since it is smaller than the sum of its proper divisors (8312030017728).

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

4921786477248 is a wasteful number, since it uses less digits than its factorization.

4921786477248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281862 (or 1281852 counting only the distinct ones).

The product of its digits is 303464448, while the sum is 69.

The spelling of 4921786477248 in words is "four trillion, nine hundred twenty-one billion, seven hundred eighty-six million, four hundred seventy-seven thousand, two hundred forty-eight".