4364830921 has 16 divisors (see below), whose sum is σ = 4867153920. Its totient is φ = 3880241680.

The previous prime is 4364830909. The next prime is 4364831021. The reversal of 4364830921 is 1290384634.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4364830921 - 2¹⁹ = 4364306633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4364830621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741030 + ... + 746896.

It is an arithmetic number, because the mean of its divisors is an integer number (304197120).

Almost surely, 2^4364830921 is an apocalyptic number.

It is an amenable number.

4364830921 is a deficient number, since it is larger than the sum of its proper divisors (502322999).

4364830921 is a wasteful number, since it uses less digits than its factorization.

4364830921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7364.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 4364830921 is about 66066.8670439275. The cubic root of 4364830921 is about 1634.2649822425.

The spelling of 4364830921 in words is "four billion, three hundred sixty-four million, eight hundred thirty thousand, nine hundred twenty-one".