2645443363 has 8 divisors (see below), whose sum is σ = 2702619648. Its totient is φ = 2588304264.

The previous prime is 2645443351. The next prime is 2645443403. The reversal of 2645443363 is 3633445462.

It is a happy number.

2645443363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2645443363 - 2⁵ = 2645443331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2645443963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172320 + ... + 187042.

It is an arithmetic number, because the mean of its divisors is an integer number (337827456).

Almost surely, 2^2645443363 is an apocalyptic number.

2645443363 is a deficient number, since it is larger than the sum of its proper divisors (57176285).

2645443363 is a wasteful number, since it uses less digits than its factorization.

2645443363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18593.

The product of its digits is 622080, while the sum is 40.

The square root of 2645443363 is about 51433.8736923440. The cubic root of 2645443363 is about 1383.0338914192.

The spelling of 2645443363 in words is "two billion, six hundred forty-five million, four hundred forty-three thousand, three hundred sixty-three".