1830512493 has 16 divisors (see below), whose sum is σ = 2713172160. Its totient is φ = 1219755888.

The previous prime is 1830512479. The next prime is 1830512501. The reversal of 1830512493 is 3942150381.

It is not a de Polignac number, because 1830512493 - 2¹⁰ = 1830511469 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1830512443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45246 + ... + 75552.

It is an arithmetic number, because the mean of its divisors is an integer number (169573260).

Almost surely, 2^1830512493 is an apocalyptic number.

It is an amenable number.

1830512493 is a deficient number, since it is larger than the sum of its proper divisors (882659667).

1830512493 is a wasteful number, since it uses less digits than its factorization.

1830512493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32553 (or 32547 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 1830512493 is about 42784.4889299849. The cubic root of 1830512493 is about 1223.2753724681.

The spelling of 1830512493 in words is "one billion, eight hundred thirty million, five hundred twelve thousand, four hundred ninety-three".