2021305050957 has 8 divisors (see below), whose sum is σ = 2695082203840. Its totient is φ = 1347532299360.

The previous prime is 2021305050953. The next prime is 2021305051013. The reversal of 2021305050957 is 7590505031202.

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

It is not a de Polignac number, because 2021305050957 - 2² = 2021305050953 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 (2021305050953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186144 + ... + 2019222.

It is an arithmetic number, because the mean of its divisors is an integer number (336885275480).

Almost surely, 2^{2021305050957} is an apocalyptic number.

It is an amenable number.

2021305050957 is a deficient number, since it is larger than the sum of its proper divisors (673777152883).

2021305050957 is a wasteful number, since it uses less digits than its factorization.

2021305050957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200643.

The product of its (nonzero) digits is 94500, while the sum is 39.

The spelling of 2021305050957 in words is "two trillion, twenty-one billion, three hundred five million, fifty thousand, nine hundred fifty-seven".