4354401321 has 48 divisors (see below), whose sum is σ = 6699813120. Its totient is φ = 2824612560.

The previous prime is 4354401319. The next prime is 4354401347. The reversal of 4354401321 is 1231044534.

It is a happy number.

It is not a de Polignac number, because 4354401321 - 2¹ = 4354401319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (4354471321) 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 47 ways as a sum of consecutive naturals, for example, 3457990 + ... + 3459248.

It is an arithmetic number, because the mean of its divisors is an integer number (139579440).

Almost surely, 2^4354401321 is an apocalyptic number.

It is an amenable number.

4354401321 is a deficient number, since it is larger than the sum of its proper divisors (2345411799).

4354401321 is a wasteful number, since it uses less digits than its factorization.

4354401321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648 (or 1636 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 4354401321 is about 65987.8876840288. The cubic root of 4354401321 is about 1632.9622724443.

Adding to 4354401321 its reverse (1231044534), we get a palindrome (5585445855).

The spelling of 4354401321 in words is "four billion, three hundred fifty-four million, four hundred one thousand, three hundred twenty-one".