493337782281 has 8 divisors (see below), whose sum is σ = 662139893824. Its totient is φ = 326713762800.

The previous prime is 493337782207. The next prime is 493337782297. The reversal of 493337782281 is 182287733394.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 493337782281 - 2¹⁰ = 493337781257 is a prime.

It is a super-2 number, since 2×493337782281² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493337780281) 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, 544522486 + ... + 544523391.

It is an arithmetic number, because the mean of its divisors is an integer number (82767486728).

Almost surely, 2^493337782281 is an apocalyptic number.

It is an amenable number.

493337782281 is a deficient number, since it is larger than the sum of its proper divisors (168802111543).

493337782281 is a wasteful number, since it uses less digits than its factorization.

493337782281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089046031.

The product of its digits is 12192768, while the sum is 57.

The spelling of 493337782281 in words is "four hundred ninety-three billion, three hundred thirty-seven million, seven hundred eighty-two thousand, two hundred eighty-one".