2106360643 has 2 divisors, whose sum is σ = 2106360644. Its totient is φ = 2106360642.

The previous prime is 2106360629. The next prime is 2106360649. The reversal of 2106360643 is 3460636012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2106360643 is a prime.

It is not a weakly prime, because it can be changed into another prime (2106360649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053180321 + 1053180322.

It is an arithmetic number, because the mean of its divisors is an integer number (1053180322).

Almost surely, 2^2106360643 is an apocalyptic number.

2106360643 is a deficient number, since it is larger than the sum of its proper divisors (1).

2106360643 is an equidigital number, since it uses as much as digits as its factorization.

2106360643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 2106360643 is about 45895.1047825364. The cubic root of 2106360643 is about 1281.8707676858.

Adding to 2106360643 its reverse (3460636012), we get a palindrome (5566996655).

The spelling of 2106360643 in words is "two billion, one hundred six million, three hundred sixty thousand, six hundred forty-three".