1828791563783 has 4 divisors (see below), whose sum is σ = 1828926374400. Its totient is φ = 1828656753168.

The previous prime is 1828791563761. The next prime is 1828791563821. The reversal of 1828791563783 is 3873651978281.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1828791563783 - 2¹⁸ = 1828791301639 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 (1828791563743) 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, 67384958 + ... + 67412091.

It is an arithmetic number, because the mean of its divisors is an integer number (457231593600).

Almost surely, 2^{1828791563783} is an apocalyptic number.

1828791563783 is a deficient number, since it is larger than the sum of its proper divisors (134810617).

1828791563783 is a wasteful number, since it uses less digits than its factorization.

1828791563783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134810616.

The product of its digits is 121927680, while the sum is 68.

The spelling of 1828791563783 in words is "one trillion, eight hundred twenty-eight billion, seven hundred ninety-one million, five hundred sixty-three thousand, seven hundred eighty-three".