4340100421 has 4 divisors (see below), whose sum is σ = 4349474752. Its totient is φ = 4330726092.

The previous prime is 4340100389. The next prime is 4340100439. The reversal of 4340100421 is 1240010434.

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 a cyclic number.

It is not a de Polignac number, because 4340100421 - 2⁵ = 4340100389 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 (4340100521) 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, 4686471 + ... + 4687396.

It is an arithmetic number, because the mean of its divisors is an integer number (1087368688).

Almost surely, 2^4340100421 is an apocalyptic number.

It is an amenable number.

4340100421 is a deficient number, since it is larger than the sum of its proper divisors (9374331).

4340100421 is an equidigital number, since it uses as much as digits as its factorization.

4340100421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9374330.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 4340100421 is about 65879.4385297871. The cubic root of 4340100421 is about 1631.1726316785.

Adding to 4340100421 its reverse (1240010434), we get a palindrome (5580110855).

The spelling of 4340100421 in words is "four billion, three hundred forty million, one hundred thousand, four hundred twenty-one".