2001441839 has 2 divisors, whose sum is σ = 2001441840. Its totient is φ = 2001441838.

The previous prime is 2001441811. The next prime is 2001441857. The reversal of 2001441839 is 9381441002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2001441839 - 2¹² = 2001437743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001441139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000720919 + 1000720920.

It is an arithmetic number, because the mean of its divisors is an integer number (1000720920).

Almost surely, 2^2001441839 is an apocalyptic number.

2001441839 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001441839 is an equidigital number, since it uses as much as digits as its factorization.

2001441839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 2001441839 is about 44737.4768957750. The cubic root of 2001441839 is about 1260.2237443848.

The spelling of 2001441839 in words is "two billion, one million, four hundred forty-one thousand, eight hundred thirty-nine".