2068449469 has 2 divisors, whose sum is σ = 2068449470. Its totient is φ = 2068449468.

The previous prime is 2068449457. The next prime is 2068449473. The reversal of 2068449469 is 9649448602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1264726969 + 803722500 = 35563^2 + 28350^2 .

It is a cyclic number.

It is not a de Polignac number, because 2068449469 - 2¹¹ = 2068447421 is a prime.

It is a super-2 number, since 2×2068449469² = 8556966411612763922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2068449419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034224734 + 1034224735.

It is an arithmetic number, because the mean of its divisors is an integer number (1034224735).

Almost surely, 2^2068449469 is an apocalyptic number.

It is an amenable number.

2068449469 is a deficient number, since it is larger than the sum of its proper divisors (1).

2068449469 is an equidigital number, since it uses as much as digits as its factorization.

2068449469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2985984, while the sum is 52.

The square root of 2068449469 is about 45480.2096411175. The cubic root of 2068449469 is about 1274.1336098389.

The spelling of 2068449469 in words is "two billion, sixty-eight million, four hundred forty-nine thousand, four hundred sixty-nine".