2645395203 has 16 divisors (see below), whose sum is σ = 3849820416. Its totient is φ = 1602447840.

The previous prime is 2645395189. The next prime is 2645395219. The reversal of 2645395203 is 3025935462.

2645395203 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2645395203 - 2⁴ = 2645395187 is a prime.

It is a super-2 number, since 2×2645395203² = 13996231560110822418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2645395273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48226 + ... + 87272.

It is an arithmetic number, because the mean of its divisors is an integer number (240613776).

Almost surely, 2^2645395203 is an apocalyptic number.

2645395203 is a deficient number, since it is larger than the sum of its proper divisors (1204425213).

2645395203 is a wasteful number, since it uses less digits than its factorization.

2645395203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41114.

The product of its (nonzero) digits is 194400, while the sum is 39.

The square root of 2645395203 is about 51433.4055162596. The cubic root of 2645395203 is about 1383.0254987093.

The spelling of 2645395203 in words is "two billion, six hundred forty-five million, three hundred ninety-five thousand, two hundred three".