4001421341 has 4 divisors (see below), whose sum is σ = 4001714592. Its totient is φ = 4001128092.

The previous prime is 4001421313. The next prime is 4001421349. The reversal of 4001421341 is 1431241004.

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 4001421341 - 2¹⁰ = 4001420317 is a prime.

It is a super-2 number, since 2×4001421341² = 32022745496420476562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001421349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125105 + ... + 153798.

It is an arithmetic number, because the mean of its divisors is an integer number (1000428648).

Almost surely, 2^4001421341 is an apocalyptic number.

It is an amenable number.

4001421341 is a deficient number, since it is larger than the sum of its proper divisors (293251).

4001421341 is a wasteful number, since it uses less digits than its factorization.

4001421341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293250.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 4001421341 is about 63256.7888925766. The cubic root of 4001421341 is about 1587.5890495525.

Adding to 4001421341 its reverse (1431241004), we get a palindrome (5432662345).

The spelling of 4001421341 in words is "four billion, one million, four hundred twenty-one thousand, three hundred forty-one".