4365844421 has 8 divisors (see below), whose sum is σ = 4508354304. Its totient is φ = 4223439360.

The previous prime is 4365844391. The next prime is 4365844501. The reversal of 4365844421 is 1244485634.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4365844421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4365844321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63365 + ... + 112901.

It is an arithmetic number, because the mean of its divisors is an integer number (563544288).

Almost surely, 2^4365844421 is an apocalyptic number.

It is an amenable number.

4365844421 is a deficient number, since it is larger than the sum of its proper divisors (142509883).

4365844421 is a wasteful number, since it uses less digits than its factorization.

4365844421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52411.

The product of its digits is 368640, while the sum is 41.

The square root of 4365844421 is about 66074.5368580060. The cubic root of 4365844421 is about 1634.3914628483.

The spelling of 4365844421 in words is "four billion, three hundred sixty-five million, eight hundred forty-four thousand, four hundred twenty-one".