2685129983 has 2 divisors, whose sum is σ = 2685129984. Its totient is φ = 2685129982.

The previous prime is 2685129971. The next prime is 2685130003. The reversal of 2685129983 is 3899215862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2685129983 - 2⁶ = 2685129919 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2685122983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1342564991 + 1342564992.

It is an arithmetic number, because the mean of its divisors is an integer number (1342564992).

Almost surely, 2^2685129983 is an apocalyptic number.

2685129983 is a deficient number, since it is larger than the sum of its proper divisors (1).

2685129983 is an equidigital number, since it uses as much as digits as its factorization.

2685129983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 53.

The square root of 2685129983 is about 51818.2398678303. The cubic root of 2685129983 is about 1389.9156277825.

The spelling of 2685129983 in words is "two billion, six hundred eighty-five million, one hundred twenty-nine thousand, nine hundred eighty-three".