2649230863 has 4 divisors (see below), whose sum is σ = 2649673168. Its totient is φ = 2648788560.

The previous prime is 2649230861. The next prime is 2649230959. The reversal of 2649230863 is 3680329462.

2649230863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2649230863 - 2¹ = 2649230861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2649230861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212043 + ... + 224188.

It is an arithmetic number, because the mean of its divisors is an integer number (662418292).

Almost surely, 2^2649230863 is an apocalyptic number.

2649230863 is a deficient number, since it is larger than the sum of its proper divisors (442305).

2649230863 is an equidigital number, since it uses as much as digits as its factorization.

2649230863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442304.

The product of its (nonzero) digits is 373248, while the sum is 43.

The square root of 2649230863 is about 51470.6796438516. The cubic root of 2649230863 is about 1383.6936098175.

The spelling of 2649230863 in words is "two billion, six hundred forty-nine million, two hundred thirty thousand, eight hundred sixty-three".