1463566649 has 2 divisors, whose sum is σ = 1463566650. Its totient is φ = 1463566648.

The previous prime is 1463566633. The next prime is 1463566661. The reversal of 1463566649 is 9466653641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1454049424 + 9517225 = 38132^2 + 3085^2 .

It is an emirp because it is prime and its reverse (9466653641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1463566649 - 2⁴ = 1463566633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1463566597 and 1463566606.

It is not a weakly prime, because it can be changed into another prime (1463566609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 731783324 + 731783325.

It is an arithmetic number, because the mean of its divisors is an integer number (731783325).

Almost surely, 2^1463566649 is an apocalyptic number.

It is an amenable number.

1463566649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1463566649 is an equidigital number, since it uses as much as digits as its factorization.

1463566649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2799360, while the sum is 50.

The square root of 1463566649 is about 38256.5896153852. The cubic root of 1463566649 is about 1135.3702270521.

The spelling of 1463566649 in words is "one billion, four hundred sixty-three million, five hundred sixty-six thousand, six hundred forty-nine".