1069970779 has 2 divisors, whose sum is σ = 1069970780. Its totient is φ = 1069970778.

The previous prime is 1069970777. The next prime is 1069970801. The reversal of 1069970779 is 9770799601.

It is a weak prime.

It is an emirp because it is prime and its reverse (9770799601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1069970779 - 2¹ = 1069970777 is a prime.

It is a super-2 number, since 2×1069970779² = 2289674935827733682, which contains 22 as substring.

Together with 1069970777, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1069970777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534985389 + 534985390.

It is an arithmetic number, because the mean of its divisors is an integer number (534985390).

Almost surely, 2^1069970779 is an apocalyptic number.

1069970779 is a deficient number, since it is larger than the sum of its proper divisors (1).

1069970779 is an equidigital number, since it uses as much as digits as its factorization.

1069970779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500282, while the sum is 55.

The square root of 1069970779 is about 32710.4078085248. The cubic root of 1069970779 is about 1022.7998109356.

The spelling of 1069970779 in words is "one billion, sixty-nine million, nine hundred seventy thousand, seven hundred seventy-nine".