1069198069 has 2 divisors, whose sum is σ = 1069198070. Its totient is φ = 1069198068.

The previous prime is 1069198061. The next prime is 1069198073. The reversal of 1069198069 is 9608919601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 823116100 + 246081969 = 28690^2 + 15687^2 .

It is a cyclic number.

It is not a de Polignac number, because 1069198069 - 2³ = 1069198061 is a prime.

It is a super-2 number, since 2×1069198069² = 2286369021506657522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1069198061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534599034 + 534599035.

It is an arithmetic number, because the mean of its divisors is an integer number (534599035).

Almost surely, 2^1069198069 is an apocalyptic number.

It is an amenable number.

1069198069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1069198069 is an equidigital number, since it uses as much as digits as its factorization.

1069198069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 49.

The square root of 1069198069 is about 32698.5942970030. The cubic root of 1069198069 is about 1022.5535369294.

The spelling of 1069198069 in words is "one billion, sixty-nine million, one hundred ninety-eight thousand, sixty-nine".