2069181313 has 2 divisors, whose sum is σ = 2069181314. Its totient is φ = 2069181312.

The previous prime is 2069181311. The next prime is 2069181337. The reversal of 2069181313 is 3131819602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1166359104 + 902822209 = 34152^2 + 30047^2 .

It is a cyclic number.

It is not a de Polignac number, because 2069181313 - 2¹ = 2069181311 is a prime.

It is a super-2 number, since 2×2069181313² = 8563022612136807938, which contains 22 as substring.

Together with 2069181311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2069181311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034590656 + 1034590657.

It is an arithmetic number, because the mean of its divisors is an integer number (1034590657).

Almost surely, 2^2069181313 is an apocalyptic number.

It is an amenable number.

2069181313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2069181313 is an equidigital number, since it uses as much as digits as its factorization.

2069181313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 2069181313 is about 45488.2546708488. The cubic root of 2069181313 is about 1274.2838604010.

The spelling of 2069181313 in words is "two billion, sixty-nine million, one hundred eighty-one thousand, three hundred thirteen".