443121874276 has 9 divisors (see below), whose sum is σ = 775465609849. Its totient is φ = 221560271464.

The previous prime is 443121874213. The next prime is 443121874303. The reversal of 443121874276 is 672478121344.

The square root of 443121874276 is 665674.

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

It can be written as a sum of positive squares in only one way, i.e., 315832760100 + 127289114176 = 561990^2 + 356776^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1164930 + ... + 1497766.

Almost surely, 2^443121874276 is an apocalyptic number.

443121874276 is the 665674-th square number.

It is an amenable number.

443121874276 is a deficient number, since it is larger than the sum of its proper divisors (332343735573).

443121874276 is an frugal number, since it uses more digits than its factorization.

443121874276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665678 (or 332839 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 49.

Multiplying 443121874276 by its sum of digits (49), we get a square (21712971839524 = 4659718²).

The spelling of 443121874276 in words is "four hundred forty-three billion, one hundred twenty-one million, eight hundred seventy-four thousand, two hundred seventy-six".