4364320391 has 4 divisors (see below), whose sum is σ = 4365525984. Its totient is φ = 4363114800.

The previous prime is 4364320369. The next prime is 4364320511. The reversal of 4364320391 is 1930234634.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4364320391 - 2¹⁰ = 4364319367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4364329391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 597350 + ... + 604611.

It is an arithmetic number, because the mean of its divisors is an integer number (1091381496).

Almost surely, 2^4364320391 is an apocalyptic number.

4364320391 is a deficient number, since it is larger than the sum of its proper divisors (1205593).

4364320391 is a wasteful number, since it uses less digits than its factorization.

4364320391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205592.

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 4364320391 is about 66063.0031939209. The cubic root of 4364320391 is about 1634.2012627958.

The spelling of 4364320391 in words is "four billion, three hundred sixty-four million, three hundred twenty thousand, three hundred ninety-one".