1365054689 has 2 divisors, whose sum is σ = 1365054690. Its totient is φ = 1365054688.

The previous prime is 1365054659. The next prime is 1365054721. The reversal of 1365054689 is 9864505631.

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., 913067089 + 451987600 = 30217^2 + 21260^2 .

It is an emirp because it is prime and its reverse (9864505631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1365054689 - 2⁸ = 1365054433 is a prime.

It is not a weakly prime, because it can be changed into another prime (1365054619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682527344 + 682527345.

It is an arithmetic number, because the mean of its divisors is an integer number (682527345).

Almost surely, 2^1365054689 is an apocalyptic number.

It is an amenable number.

1365054689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1365054689 is an equidigital number, since it uses as much as digits as its factorization.

1365054689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 47.

The square root of 1365054689 is about 36946.6465190009. The cubic root of 1365054689 is about 1109.3025646115.

The spelling of 1365054689 in words is "one billion, three hundred sixty-five million, fifty-four thousand, six hundred eighty-nine".