1874920221863 has 16 divisors (see below), whose sum is σ = 2125464509280. Its totient is φ = 1639568646144.

The previous prime is 1874920221809. The next prime is 1874920221929. The reversal of 1874920221863 is 3681220294781.

It is not a de Polignac number, because 1874920221863 - 2¹⁰ = 1874920220839 is a prime.

It is a super-2 number, since 2×1874920221863² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1874920221763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20255495 + ... + 20347847.

It is an arithmetic number, because the mean of its divisors is an integer number (132841531830).

Almost surely, 2^{1874920221863} is an apocalyptic number.

1874920221863 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1874920221863 is a deficient number, since it is larger than the sum of its proper divisors (250544287417).

1874920221863 is a wasteful number, since it uses less digits than its factorization.

1874920221863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174578.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 1874920221863 in words is "one trillion, eight hundred seventy-four billion, nine hundred twenty million, two hundred twenty-one thousand, eight hundred sixty-three".