42803058321 has 9 divisors (see below), whose sum is σ = 61827536329. Its totient is φ = 28534958436.

The previous prime is 42803058301. The next prime is 42803058373. The reversal of 42803058321 is 12385030824.

The square root of 42803058321 is 206889.

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

42803058321 is a `hidden beast` number, since 4 + 28 + 0 + 30 + 583 + 21 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 42803058321 - 2¹¹ = 42803056273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42803058301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 586186 + ... + 655148.

Almost surely, 2^42803058321 is an apocalyptic number.

42803058321 is the 206889-th square number.

42803058321 is the 103445-th centered octagonal number.

It is an amenable number.

42803058321 is a deficient number, since it is larger than the sum of its proper divisors (19024478008).

42803058321 is an frugal number, since it uses more digits than its factorization.

42803058321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137932 (or 68966 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

Multiplying 42803058321 by its sum of digits (36), we get a square (1540910099556 = 1241334²).

The spelling of 42803058321 in words is "forty-two billion, eight hundred three million, fifty-eight thousand, three hundred twenty-one".