493824889378 has 4 divisors (see below), whose sum is σ = 740737334070. Its totient is φ = 246912444688.

The previous prime is 493824889343. The next prime is 493824889381. The reversal of 493824889378 is 873988428394.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 488213830729 + 5611058649 = 698723^2 + 74907^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 493824889378.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123456222343 + ... + 123456222346.

Almost surely, 2^493824889378 is an apocalyptic number.

493824889378 is a deficient number, since it is larger than the sum of its proper divisors (246912444692).

493824889378 is a wasteful number, since it uses less digits than its factorization.

493824889378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246912444691.

The product of its digits is 668860416, while the sum is 73.

The spelling of 493824889378 in words is "four hundred ninety-three billion, eight hundred twenty-four million, eight hundred eighty-nine thousand, three hundred seventy-eight".