4011403231421 has 4 divisors (see below), whose sum is σ = 4028187345600. Its totient is φ = 3994619117244.

The previous prime is 4011403231399. The next prime is 4011403231441. The reversal of 4011403231421 is 1241323041104.

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 4011403231421 - 2¹⁴ = 4011403215037 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 (4011403231441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8392056731 + ... + 8392057208.

It is an arithmetic number, because the mean of its divisors is an integer number (1007046836400).

Almost surely, 2^{4011403231421} is an apocalyptic number.

It is an amenable number.

4011403231421 is a deficient number, since it is larger than the sum of its proper divisors (16784114179).

4011403231421 is a wasteful number, since it uses less digits than its factorization.

4011403231421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16784114178.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 4011403231421 its reverse (1241323041104), we get a palindrome (5252726272525).

The spelling of 4011403231421 in words is "four trillion, eleven billion, four hundred three million, two hundred thirty-one thousand, four hundred twenty-one".