2068906531 has 2 divisors, whose sum is σ = 2068906532. Its totient is φ = 2068906530.

The previous prime is 2068906529. The next prime is 2068906591. The reversal of 2068906531 is 1356098602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2068906531 - 2¹ = 2068906529 is a prime.

It is a super-2 number, since 2×2068906531² = 8560748468028907922, which contains 22 as substring.

Together with 2068906529, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2068906591) 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, 1034453265 + 1034453266.

It is an arithmetic number, because the mean of its divisors is an integer number (1034453266).

Almost surely, 2^2068906531 is an apocalyptic number.

2068906531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2068906531 is an equidigital number, since it uses as much as digits as its factorization.

2068906531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 2068906531 is about 45485.2342084769. The cubic root of 2068906531 is about 1274.2274506886.

The spelling of 2068906531 in words is "two billion, sixty-eight million, nine hundred six thousand, five hundred thirty-one".