2682571621 has 2 divisors, whose sum is σ = 2682571622. Its totient is φ = 2682571620.

The previous prime is 2682571583. The next prime is 2682571643. The reversal of 2682571621 is 1261752862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2680650625 + 1920996 = 51775^2 + 1386^2 .

It is a cyclic number.

It is not a de Polignac number, because 2682571621 - 2¹¹ = 2682569573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2682571681) 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, 1341285810 + 1341285811.

It is an arithmetic number, because the mean of its divisors is an integer number (1341285811).

Almost surely, 2^2682571621 is an apocalyptic number.

It is an amenable number.

2682571621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2682571621 is an equidigital number, since it uses as much as digits as its factorization.

2682571621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 40.

The square root of 2682571621 is about 51793.5480634413. The cubic root of 2682571621 is about 1389.4740554578.

The spelling of 2682571621 in words is "two billion, six hundred eighty-two million, five hundred seventy-one thousand, six hundred twenty-one".