1301343689 has 2 divisors, whose sum is σ = 1301343690. Its totient is φ = 1301343688.

The previous prime is 1301343679. The next prime is 1301343713. The reversal of 1301343689 is 9863431031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 906010000 + 395333689 = 30100^2 + 19883^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1301343689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1301343619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650671844 + 650671845.

It is an arithmetic number, because the mean of its divisors is an integer number (650671845).

Almost surely, 2^1301343689 is an apocalyptic number.

It is an amenable number.

1301343689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301343689 is an equidigital number, since it uses as much as digits as its factorization.

1301343689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 1301343689 is about 36074.1415559678. The cubic root of 1301343689 is about 1091.7687773284.

The spelling of 1301343689 in words is "one billion, three hundred one million, three hundred forty-three thousand, six hundred eighty-nine".