2645743137 has 16 divisors (see below), whose sum is σ = 3560460288. Its totient is φ = 1747504080.

The previous prime is 2645743073. The next prime is 2645743159. The reversal of 2645743137 is 7313475462.

2645743137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2645743137 - 2⁶ = 2645743073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2645743537) 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, 131788 + ... + 150530.

It is an arithmetic number, because the mean of its divisors is an integer number (222528768).

Almost surely, 2^2645743137 is an apocalyptic number.

It is an amenable number.

2645743137 is a deficient number, since it is larger than the sum of its proper divisors (914717151).

2645743137 is a wasteful number, since it uses less digits than its factorization.

2645743137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19180.

The product of its digits is 423360, while the sum is 42.

The square root of 2645743137 is about 51436.7877787873. The cubic root of 2645743137 is about 1383.0861299146.

The spelling of 2645743137 in words is "two billion, six hundred forty-five million, seven hundred forty-three thousand, one hundred thirty-seven".