4509720781284 has 24 divisors (see below), whose sum is σ = 10522829415168. Its totient is φ = 1503219175840.

The previous prime is 4509720781273. The next prime is 4509720781301. The reversal of 4509720781284 is 4821870279054.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1731987 + ... + 3466874.

It is an arithmetic number, because the mean of its divisors is an integer number (438451225632).

Almost surely, 2^{4509720781284} is an apocalyptic number.

It is an amenable number.

4509720781284 is an abundant number, since it is smaller than the sum of its proper divisors (6013108633884).

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

4509720781284 is a wasteful number, since it uses less digits than its factorization.

4509720781284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5271155 (or 5271153 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 57.

The spelling of 4509720781284 in words is "four trillion, five hundred nine billion, seven hundred twenty million, seven hundred eighty-one thousand, two hundred eighty-four".