493405913 has 64 divisors (see below), whose sum is σ = 716083200. Its totient is φ = 327317760.

The previous prime is 493405853. The next prime is 493405921. The reversal of 493405913 is 319504394.

It is not a de Polignac number, because 493405913 - 2⁸ = 493405657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (493405993) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 667298 + ... + 668036.

It is an arithmetic number, because the mean of its divisors is an integer number (11188800).

Almost surely, 2^493405913 is an apocalyptic number.

It is an amenable number.

493405913 is a deficient number, since it is larger than the sum of its proper divisors (222677287).

493405913 is a wasteful number, since it uses less digits than its factorization.

493405913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 493405913 is about 22212.7421314884. The cubic root of 493405913 is about 790.1959205364.

The spelling of 493405913 in words is "four hundred ninety-three million, four hundred five thousand, nine hundred thirteen".