1346805697 has 2 divisors, whose sum is σ = 1346805698. Its totient is φ = 1346805696.

The previous prime is 1346805643. The next prime is 1346805703. The reversal of 1346805697 is 7965086431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1344248896 + 2556801 = 36664^2 + 1599^2 .

It is an emirp because it is prime and its reverse (7965086431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1346805697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1346805697.

It is not a weakly prime, because it can be changed into another prime (1346805197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673402848 + 673402849.

It is an arithmetic number, because the mean of its divisors is an integer number (673402849).

Almost surely, 2^1346805697 is an apocalyptic number.

It is an amenable number.

1346805697 is a deficient number, since it is larger than the sum of its proper divisors (1).

1346805697 is an equidigital number, since it uses as much as digits as its factorization.

1346805697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 1346805697 is about 36698.8514397930. The cubic root of 1346805697 is about 1104.3370639152.

The spelling of 1346805697 in words is "one billion, three hundred forty-six million, eight hundred five thousand, six hundred ninety-seven".