1300066969 has 2 divisors, whose sum is σ = 1300066970. Its totient is φ = 1300066968.

The previous prime is 1300066967. The next prime is 1300067003. The reversal of 1300066969 is 9696600031.

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., 733055625 + 567011344 = 27075^2 + 23812^2 .

It is a cyclic number.

It is not a de Polignac number, because 1300066969 - 2¹ = 1300066967 is a prime.

It is a super-2 number, since 2×1300066969² = 3380348247769693922, which contains 22 as substring.

Together with 1300066967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1300066961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650033484 + 650033485.

It is an arithmetic number, because the mean of its divisors is an integer number (650033485).

Almost surely, 2^1300066969 is an apocalyptic number.

It is an amenable number.

1300066969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300066969 is an equidigital number, since it uses as much as digits as its factorization.

1300066969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 1300066969 is about 36056.4414356159. The cubic root of 1300066969 is about 1091.4116236342.

The spelling of 1300066969 in words is "one billion, three hundred million, sixty-six thousand, nine hundred sixty-nine".