2021546441147 has 4 divisors (see below), whose sum is σ = 2127943622280. Its totient is φ = 1915149260016.

The previous prime is 2021546441141. The next prime is 2021546441149. The reversal of 2021546441147 is 7411446451202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2021546441147 - 2¹² = 2021546437051 is a prime.

It is a super-2 number, since 2×2021546441147² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021546441141) 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, 53198590538 + ... + 53198590575.

It is an arithmetic number, because the mean of its divisors is an integer number (531985905570).

Almost surely, 2^{2021546441147} is an apocalyptic number.

2021546441147 is a deficient number, since it is larger than the sum of its proper divisors (106397181133).

2021546441147 is a wasteful number, since it uses less digits than its factorization.

2021546441147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106397181132.

The product of its (nonzero) digits is 215040, while the sum is 41.

The spelling of 2021546441147 in words is "two trillion, twenty-one billion, five hundred forty-six million, four hundred forty-one thousand, one hundred forty-seven".