493095781 has 16 divisors (see below), whose sum is σ = 535949568. Its totient is φ = 452390400.

The previous prime is 493095767. The next prime is 493095793. The reversal of 493095781 is 187590394.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 493095781 - 2⁷ = 493095653 is a prime.

It is a super-2 number, since 2×493095781² = 486286898479999922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493095721) 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, 56341 + ... + 64501.

It is an arithmetic number, because the mean of its divisors is an integer number (33496848).

Almost surely, 2^493095781 is an apocalyptic number.

It is an amenable number.

493095781 is a deficient number, since it is larger than the sum of its proper divisors (42853787).

493095781 is a wasteful number, since it uses less digits than its factorization.

493095781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8292.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 493095781 is about 22205.7600860678. The cubic root of 493095781 is about 790.0303257066.

The spelling of 493095781 in words is "four hundred ninety-three million, ninety-five thousand, seven hundred eighty-one".