493193149 has 4 divisors (see below), whose sum is σ = 497981536. Its totient is φ = 488404764.

The previous prime is 493193147. The next prime is 493193159. The reversal of 493193149 is 941391394.

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, and also an emirpimes, since its reverse is a distinct semiprime: 941391394 = 2 ⋅470695697.

It is a cyclic number.

It is not a de Polignac number, because 493193149 - 2¹ = 493193147 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 (493193147) 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, 2394039 + ... + 2394244.

It is an arithmetic number, because the mean of its divisors is an integer number (124495384).

Almost surely, 2^493193149 is an apocalyptic number.

It is an amenable number.

493193149 is a deficient number, since it is larger than the sum of its proper divisors (4788387).

493193149 is a wasteful number, since it uses less digits than its factorization.

493193149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4788386.

The product of its digits is 104976, while the sum is 43.

The square root of 493193149 is about 22207.9523819734. The cubic root of 493193149 is about 790.0823227783.

The spelling of 493193149 in words is "four hundred ninety-three million, one hundred ninety-three thousand, one hundred forty-nine".