2694214021 has 2 divisors, whose sum is σ = 2694214022. Its totient is φ = 2694214020.

The previous prime is 2694214007. The next prime is 2694214049. The reversal of 2694214021 is 1204124962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1553463396 + 1140750625 = 39414^2 + 33775^2 .

It is a cyclic number.

It is not a de Polignac number, because 2694214021 - 2¹⁷ = 2694082949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2694214001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1347107010 + 1347107011.

It is an arithmetic number, because the mean of its divisors is an integer number (1347107011).

Almost surely, 2^2694214021 is an apocalyptic number.

It is an amenable number.

2694214021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2694214021 is an equidigital number, since it uses as much as digits as its factorization.

2694214021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2694214021 is about 51905.8187585939. The cubic root of 2694214021 is about 1391.4812670386.

Adding to 2694214021 its reverse (1204124962), we get a palindrome (3898338983).

The spelling of 2694214021 in words is "two billion, six hundred ninety-four million, two hundred fourteen thousand, twenty-one".