2645743093 has 12 divisors (see below), whose sum is σ = 3135774060. Its totient is φ = 2224989312.

The previous prime is 2645743073. The next prime is 2645743159. The reversal of 2645743093 is 3903475462.

It can be written as a sum of positive squares in 2 ways, for example, as 2216714724 + 429028369 = 47082^2 + 20713^2 .

It is not a de Polignac number, because 2645743093 - 2⁹ = 2645742581 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 (2645743033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 506788 + ... + 511981.

It is an arithmetic number, because the mean of its divisors is an integer number (261314505).

Almost surely, 2^2645743093 is an apocalyptic number.

It is an amenable number.

2645743093 is a deficient number, since it is larger than the sum of its proper divisors (490030967).

2645743093 is a wasteful number, since it uses less digits than its factorization.

2645743093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018836 (or 1018829 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 43.

The square root of 2645743093 is about 51436.7873510778. The cubic root of 2645743093 is about 1383.0861222474.

The spelling of 2645743093 in words is "two billion, six hundred forty-five million, seven hundred forty-three thousand, ninety-three".