2013863009 has 2 divisors, whose sum is σ = 2013863010. Its totient is φ = 2013863008.

The previous prime is 2013862933. The next prime is 2013863017. The reversal of 2013863009 is 9003683102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1413760000 + 600103009 = 37600^2 + 24497^2 .

It is a cyclic number.

It is not a de Polignac number, because 2013863009 - 2¹⁶ = 2013797473 is a prime.

It is not a weakly prime, because it can be changed into another prime (2013863069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006931504 + 1006931505.

It is an arithmetic number, because the mean of its divisors is an integer number (1006931505).

Almost surely, 2^2013863009 is an apocalyptic number.

It is an amenable number.

2013863009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013863009 is an equidigital number, since it uses as much as digits as its factorization.

2013863009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 2013863009 is about 44876.0850453780. The cubic root of 2013863009 is about 1262.8253991679.

The spelling of 2013863009 in words is "two billion, thirteen million, eight hundred sixty-three thousand, nine".