493513939648 has 56 divisors (see below), whose sum is σ = 1037191904784. Its totient is φ = 232181760000.

The previous prime is 493513939643. The next prime is 493513939657. The reversal of 493513939648 is 846939315394.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a self number, because there is not a number n which added to its sum of digits gives 493513939648.

It is not an unprimeable number, because it can be changed into a prime (493513939643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4296403 + ... + 4409773.

It is an arithmetic number, because the mean of its divisors is an integer number (18521284014).

Almost surely, 2^493513939648 is an apocalyptic number.

It is an amenable number.

493513939648 is an abundant number, since it is smaller than the sum of its proper divisors (543677965136).

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

493513939648 is a wasteful number, since it uses less digits than its factorization.

493513939648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117401 (or 117391 counting only the distinct ones).

The product of its digits is 75582720, while the sum is 64.

The spelling of 493513939648 in words is "four hundred ninety-three billion, five hundred thirteen million, nine hundred thirty-nine thousand, six hundred forty-eight".