2021373379 has 2 divisors, whose sum is σ = 2021373380. Its totient is φ = 2021373378.

The previous prime is 2021373371. The next prime is 2021373439. The reversal of 2021373379 is 9733731202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2021373379 - 2³ = 2021373371 is a prime.

It is not a weakly prime, because it can be changed into another prime (2021373371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010686689 + 1010686690.

It is an arithmetic number, because the mean of its divisors is an integer number (1010686690).

Almost surely, 2^2021373379 is an apocalyptic number.

2021373379 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021373379 is an equidigital number, since it uses as much as digits as its factorization.

2021373379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 37.

The square root of 2021373379 is about 44959.6861532640. The cubic root of 2021373379 is about 1264.3932847508.

The spelling of 2021373379 in words is "two billion, twenty-one million, three hundred seventy-three thousand, three hundred seventy-nine".