493090911 has 12 divisors (see below), whose sum is σ = 713082760. Its totient is φ = 328339440.

The previous prime is 493090901. The next prime is 493090937. The reversal of 493090911 is 119090394.

It is not a de Polignac number, because 493090911 - 2¹¹ = 493088863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493090901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24160 + ... + 39621.

Almost surely, 2^493090911 is an apocalyptic number.

493090911 is a deficient number, since it is larger than the sum of its proper divisors (219991849).

493090911 is a wasteful number, since it uses less digits than its factorization.

493090911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64646 (or 64643 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The square root of 493090911 is about 22205.6504295641. The cubic root of 493090911 is about 790.0277248188.

The spelling of 493090911 in words is "four hundred ninety-three million, ninety thousand, nine hundred eleven".