2001034421 has 4 divisors (see below), whose sum is σ = 2001130272. Its totient is φ = 2000938572.

The previous prime is 2001034403. The next prime is 2001034489. The reversal of 2001034421 is 1244301002.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2001034421 - 2²² = 1996840117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2001034421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001034121) 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, 1835 + ... + 63288.

It is an arithmetic number, because the mean of its divisors is an integer number (500282568).

Almost surely, 2^2001034421 is an apocalyptic number.

It is an amenable number.

2001034421 is a deficient number, since it is larger than the sum of its proper divisors (95851).

2001034421 is an equidigital number, since it uses as much as digits as its factorization.

2001034421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95850.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2001034421 is about 44732.9232333412. The cubic root of 2001034421 is about 1260.1382272558.

Adding to 2001034421 its reverse (1244301002), we get a palindrome (3245335423).

The spelling of 2001034421 in words is "two billion, one million, thirty-four thousand, four hundred twenty-one".