493666405654 has 16 divisors (see below), whose sum is σ = 743878396800. Its totient is φ = 245707113600.

The previous prime is 493666405643. The next prime is 493666405663. The reversal of 493666405654 is 456504666394.

It is a super-4 number, since 4×493666405654⁴ (a number of 48 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6922572 + ... + 6993520.

It is an arithmetic number, because the mean of its divisors is an integer number (46492399800).

Almost surely, 2^493666405654 is an apocalyptic number.

493666405654 is a deficient number, since it is larger than the sum of its proper divisors (250211991146).

493666405654 is a wasteful number, since it uses less digits than its factorization.

493666405654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86775.

The product of its (nonzero) digits is 55987200, while the sum is 58.

The spelling of 493666405654 in words is "four hundred ninety-three billion, six hundred sixty-six million, four hundred five thousand, six hundred fifty-four".