1850728004999 has 4 divisors (see below), whose sum is σ = 1895867712480. Its totient is φ = 1805588297520.

The previous prime is 1850728004971. The next prime is 1850728005011. The reversal of 1850728004999 is 9994008270581.

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 1850728004999 - 2¹² = 1850728000903 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 (1850728004969) 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, 22569853679 + ... + 22569853760.

It is an arithmetic number, because the mean of its divisors is an integer number (473966928120).

Almost surely, 2^{1850728004999} is an apocalyptic number.

1850728004999 is a deficient number, since it is larger than the sum of its proper divisors (45139707481).

1850728004999 is an equidigital number, since it uses as much as digits as its factorization.

1850728004999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45139707480.

The product of its (nonzero) digits is 13063680, while the sum is 62.

The spelling of 1850728004999 in words is "one trillion, eight hundred fifty billion, seven hundred twenty-eight million, four thousand, nine hundred ninety-nine".