2021338133727 has 16 divisors (see below), whose sum is σ = 3019591120512. Its totient is φ = 1191943861920.

The previous prime is 2021338133693. The next prime is 2021338133729. The reversal of 2021338133727 is 7273318331202.

It is not a de Polignac number, because 2021338133727 - 2¹⁹ = 2021337609439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021338133729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 827737573 + ... + 827740014.

It is an arithmetic number, because the mean of its divisors is an integer number (188724445032).

Almost surely, 2^{2021338133727} is an apocalyptic number.

2021338133727 is a deficient number, since it is larger than the sum of its proper divisors (998252986785).

2021338133727 is a wasteful number, since it uses less digits than its factorization.

2021338133727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655477638.

The product of its (nonzero) digits is 254016, while the sum is 42.

The spelling of 2021338133727 in words is "two trillion, twenty-one billion, three hundred thirty-eight million, one hundred thirty-three thousand, seven hundred twenty-seven".