1874993444416 has 21 divisors (see below), whose sum is σ = 3720711854091. Its totient is φ = 937491244992.

The previous prime is 1874993444413. The next prime is 1874993444417. The reversal of 1874993444416 is 6144443994781.

The square root of 1874993444416 is 1369304.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1874993444413) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 10868851 + ... + 11040013.

Almost surely, 2^{1874993444416} is an apocalyptic number.

1874993444416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1874993444416 is the 1369304-th square number.

It is an amenable number.

1874993444416 is a deficient number, since it is larger than the sum of its proper divisors (1845718409675).

1874993444416 is an frugal number, since it uses more digits than its factorization.

1874993444416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342338 (or 171165 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 64.

Multiplying 1874993444416 by its sum of digits (64), we get a square (119999580442624 = 10954432²).

1874993444416 divided by its sum of digits (64) gives a square (29296772569 = 171163²).

The spelling of 1874993444416 in words is "one trillion, eight hundred seventy-four billion, nine hundred ninety-three million, four hundred forty-four thousand, four hundred sixteen".