8366054421 has 4 divisors (see below), whose sum is σ = 11154739232. Its totient is φ = 5577369612.

The previous prime is 8366054419. The next prime is 8366054443. The reversal of 8366054421 is 1244506638.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8366054421 - 2¹ = 8366054419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8366054421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8366054401) 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 3 ways as a sum of consecutive naturals, for example, 1394342401 + ... + 1394342406.

It is an arithmetic number, because the mean of its divisors is an integer number (2788684808).

Almost surely, 2^8366054421 is an apocalyptic number.

It is an amenable number.

8366054421 is a deficient number, since it is larger than the sum of its proper divisors (2788684811).

8366054421 is a wasteful number, since it uses less digits than its factorization.

8366054421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788684810.

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 8366054421 is about 91466.1381113251. The cubic root of 8366054421 is about 2030.0507498617.

The spelling of 8366054421 in words is "eight billion, three hundred sixty-six million, fifty-four thousand, four hundred twenty-one".