1013663647 has 2 divisors, whose sum is σ = 1013663648. Its totient is φ = 1013663646.

The previous prime is 1013663633. The next prime is 1013663683. The reversal of 1013663647 is 7463663101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1013663647 - 2¹¹ = 1013661599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013663627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506831823 + 506831824.

It is an arithmetic number, because the mean of its divisors is an integer number (506831824).

Almost surely, 2^1013663647 is an apocalyptic number.

1013663647 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013663647 is an equidigital number, since it uses as much as digits as its factorization.

1013663647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 1013663647 is about 31838.0848513223. The cubic root of 1013663647 is about 1004.5339611286.

The spelling of 1013663647 in words is "one billion, thirteen million, six hundred sixty-three thousand, six hundred forty-seven".