1069797797 has 2 divisors, whose sum is σ = 1069797798. Its totient is φ = 1069797796.

The previous prime is 1069797779. The next prime is 1069797821. The reversal of 1069797797 is 7977979601.

Together with previous prime (1069797779) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1008316516 + 61481281 = 31754^2 + 7841^2 .

It is a cyclic number.

It is not a de Polignac number, because 1069797797 - 2¹² = 1069793701 is a prime.

It is a super-2 number, since 2×1069797797² = 2288934652932106418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1069797737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534898898 + 534898899.

It is an arithmetic number, because the mean of its divisors is an integer number (534898899).

Almost surely, 2^1069797797 is an apocalyptic number.

It is an amenable number.

1069797797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1069797797 is an equidigital number, since it uses as much as digits as its factorization.

1069797797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10501974, while the sum is 62.

The square root of 1069797797 is about 32707.7635585193. The cubic root of 1069797797 is about 1022.7446893392.

The spelling of 1069797797 in words is "one billion, sixty-nine million, seven hundred ninety-seven thousand, seven hundred ninety-seven".