1364836649 has 16 divisors (see below), whose sum is σ = 1531455936. Its totient is φ = 1205409600.

The previous prime is 1364836643. The next prime is 1364836651. The reversal of 1364836649 is 9466384631.

It is a cyclic number.

It is not a de Polignac number, because 1364836649 - 2¹⁶ = 1364771113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1364836597 and 1364836606.

It is not an unprimeable number, because it can be changed into a prime (1364836643) 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 in 15 ways as a sum of consecutive naturals, for example, 318179 + ... + 322439.

It is an arithmetic number, because the mean of its divisors is an integer number (95715996).

Almost surely, 2^1364836649 is an apocalyptic number.

It is an amenable number.

1364836649 is a deficient number, since it is larger than the sum of its proper divisors (166619287).

1364836649 is a wasteful number, since it uses less digits than its factorization.

1364836649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5096.

The product of its digits is 2239488, while the sum is 50.

The square root of 1364836649 is about 36943.6956597469. The cubic root of 1364836649 is about 1109.2434985506.

The spelling of 1364836649 in words is "one billion, three hundred sixty-four million, eight hundred thirty-six thousand, six hundred forty-nine".