2039144821 has 8 divisors (see below), whose sum is σ = 2348241984. Its totient is φ = 1734495360.

The previous prime is 2039144819. The next prime is 2039144837. The reversal of 2039144821 is 1284419302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2039144821 - 2¹ = 2039144819 is a prime.

It is a super-2 number, since 2×2039144821² = 8316223202022244082, 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 (2039144801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1110940 + ... + 1112773.

It is an arithmetic number, because the mean of its divisors is an integer number (293530248).

Almost surely, 2^2039144821 is an apocalyptic number.

It is an amenable number.

2039144821 is a deficient number, since it is larger than the sum of its proper divisors (309097163).

2039144821 is a wasteful number, since it uses less digits than its factorization.

2039144821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223851.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 2039144821 is about 45156.8911795309. The cubic root of 2039144821 is about 1268.0878951119.

The spelling of 2039144821 in words is "two billion, thirty-nine million, one hundred forty-four thousand, eight hundred twenty-one".