2181102713 has 2 divisors, whose sum is σ = 2181102714. Its totient is φ = 2181102712.

The previous prime is 2181102697. The next prime is 2181102757. The reversal of 2181102713 is 3172011812.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1970649664 + 210453049 = 44392^2 + 14507^2 .

It is a cyclic number.

It is not a de Polignac number, because 2181102713 - 2⁴ = 2181102697 is a prime.

It is not a weakly prime, because it can be changed into another prime (2181102773) 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, 1090551356 + 1090551357.

It is an arithmetic number, because the mean of its divisors is an integer number (1090551357).

Almost surely, 2^2181102713 is an apocalyptic number.

It is an amenable number.

2181102713 is a deficient number, since it is larger than the sum of its proper divisors (1).

2181102713 is an equidigital number, since it uses as much as digits as its factorization.

2181102713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 2181102713 is about 46702.2773855837. The cubic root of 2181102713 is about 1296.8568470120.

Subtracting 2181102713 from its reverse (3172011812), we obtain a palindrome (990909099).

The spelling of 2181102713 in words is "two billion, one hundred eighty-one million, one hundred two thousand, seven hundred thirteen".