1831146493 has 8 divisors (see below), whose sum is σ = 1998017280. Its totient is φ = 1664342880.

The previous prime is 1831146491. The next prime is 1831146497. The reversal of 1831146493 is 3946411381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1831146493 - 2¹ = 1831146491 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 (1831146491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52753 + ... + 80281.

It is an arithmetic number, because the mean of its divisors is an integer number (249752160).

Almost surely, 2^1831146493 is an apocalyptic number.

It is an amenable number.

1831146493 is a deficient number, since it is larger than the sum of its proper divisors (166870787).

1831146493 is a wasteful number, since it uses less digits than its factorization.

1831146493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33587.

The product of its digits is 62208, while the sum is 40.

The square root of 1831146493 is about 42791.8975157681. The cubic root of 1831146493 is about 1223.4165837533.

The spelling of 1831146493 in words is "one billion, eight hundred thirty-one million, one hundred forty-six thousand, four hundred ninety-three".