2021694127 has 2 divisors, whose sum is σ = 2021694128. Its totient is φ = 2021694126.

The previous prime is 2021694119. The next prime is 2021694173. The reversal of 2021694127 is 7214961202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2021694127 - 2³ = 2021694119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2021694092 and 2021694101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021694527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010847063 + 1010847064.

It is an arithmetic number, because the mean of its divisors is an integer number (1010847064).

Almost surely, 2^2021694127 is an apocalyptic number.

2021694127 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021694127 is an equidigital number, since it uses as much as digits as its factorization.

2021694127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 2021694127 is about 44963.2530740381. The cubic root of 2021694127 is about 1264.4601584537.

The spelling of 2021694127 in words is "two billion, twenty-one million, six hundred ninety-four thousand, one hundred twenty-seven".