493550669 has 4 divisors (see below), whose sum is σ = 519527040. Its totient is φ = 467574300.

The previous prime is 493550663. The next prime is 493550671. The reversal of 493550669 is 966055394.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 493550669 - 2⁴ = 493550653 is a prime.

It is a super-2 number, since 2×493550669² = 487184525740695122, 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 (493550663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12988157 + ... + 12988194.

It is an arithmetic number, because the mean of its divisors is an integer number (129881760).

Almost surely, 2^493550669 is an apocalyptic number.

It is an amenable number.

493550669 is a deficient number, since it is larger than the sum of its proper divisors (25976371).

493550669 is a wasteful number, since it uses less digits than its factorization.

493550669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25976370.

The product of its (nonzero) digits is 874800, while the sum is 47.

The square root of 493550669 is about 22216.0002925819. Note that the first 3 decimals coincide. The cubic root of 493550669 is about 790.2731891796.

The spelling of 493550669 in words is "four hundred ninety-three million, five hundred fifty thousand, six hundred sixty-nine".