2682100621 has 2 divisors, whose sum is σ = 2682100622. Its totient is φ = 2682100620.

The previous prime is 2682100559. The next prime is 2682100709. The reversal of 2682100621 is 1260012862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2682100521 + 100 = 51789^2 + 10^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2682100621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2682100621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2682100721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1341050310 + 1341050311.

It is an arithmetic number, because the mean of its divisors is an integer number (1341050311).

Almost surely, 2^2682100621 is an apocalyptic number.

It is an amenable number.

2682100621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2682100621 is an equidigital number, since it uses as much as digits as its factorization.

2682100621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2682100621 is about 51789.0009654560. Note that the first 3 decimals coincide. The cubic root of 2682100621 is about 1389.3927304361.

The spelling of 2682100621 in words is "two billion, six hundred eighty-two million, one hundred thousand, six hundred twenty-one".