2444873490021 has 8 divisors (see below), whose sum is σ = 3260129364640. Its totient is φ = 1629766637712.

The previous prime is 2444873490013. The next prime is 2444873490043. The reversal of 2444873490021 is 1200943784442.

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

It is not a de Polignac number, because 2444873490021 - 2³ = 2444873490013 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 (2444873490001) 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 7 ways as a sum of consecutive naturals, for example, 37217290 + ... + 37282923.

It is an arithmetic number, because the mean of its divisors is an integer number (407516170580).

Almost surely, 2^{2444873490021} is an apocalyptic number.

It is an amenable number.

2444873490021 is a deficient number, since it is larger than the sum of its proper divisors (815255874619).

2444873490021 is a wasteful number, since it uses less digits than its factorization.

2444873490021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74511155.

The product of its (nonzero) digits is 1548288, while the sum is 48.

The spelling of 2444873490021 in words is "two trillion, four hundred forty-four billion, eight hundred seventy-three million, four hundred ninety thousand, twenty-one".