1828047313 has 4 divisors (see below), whose sum is σ = 1829447280. Its totient is φ = 1826647348.

The previous prime is 1828047311. The next prime is 1828047343. The reversal of 1828047313 is 3137408281.

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: 3137408281 = 7 ⋅448201183.

It is a cyclic number.

It is not a de Polignac number, because 1828047313 - 2¹ = 1828047311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1828047311) 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, 698023 + ... + 700636.

It is an arithmetic number, because the mean of its divisors is an integer number (457361820).

Almost surely, 2^1828047313 is an apocalyptic number.

It is an amenable number.

1828047313 is a deficient number, since it is larger than the sum of its proper divisors (1399967).

1828047313 is a wasteful number, since it uses less digits than its factorization.

1828047313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399966.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 1828047313 is about 42755.6699514813. The cubic root of 1828047313 is about 1222.7259910382.

The spelling of 1828047313 in words is "one billion, eight hundred twenty-eight million, forty-seven thousand, three hundred thirteen".