719134769 has 2 divisors, whose sum is σ = 719134770. Its totient is φ = 719134768.

The previous prime is 719134739. The next prime is 719134771. The reversal of 719134769 is 967431917.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 458473744 + 260661025 = 21412^2 + 16145^2 .

It is a cyclic number.

It is not a de Polignac number, because 719134769 - 2¹⁶ = 719069233 is a prime.

It is a super-2 number, since 2×719134769² = 1034309631969366722, which contains 22 as substring.

Together with 719134771, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (719134729) 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, 359567384 + 359567385.

It is an arithmetic number, because the mean of its divisors is an integer number (359567385).

Almost surely, 2^719134769 is an apocalyptic number.

It is an amenable number.

719134769 is a deficient number, since it is larger than the sum of its proper divisors (1).

719134769 is an equidigital number, since it uses as much as digits as its factorization.

719134769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 285768, while the sum is 47.

The square root of 719134769 is about 26816.6882556366. The cubic root of 719134769 is about 895.9217822246.

The spelling of 719134769 in words is "seven hundred nineteen million, one hundred thirty-four thousand, seven hundred sixty-nine".