2082638743 has 4 divisors (see below), whose sum is σ = 2082760128. Its totient is φ = 2082517360.

The previous prime is 2082638711. The next prime is 2082638861. The reversal of 2082638743 is 3478362802.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3478362802 = 2 ⋅1739181401.

It is a cyclic number.

It is not a de Polignac number, because 2082638743 - 2⁵ = 2082638711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2082638743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2082638443) 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, 29671 + ... + 71032.

It is an arithmetic number, because the mean of its divisors is an integer number (520690032).

Almost surely, 2^2082638743 is an apocalyptic number.

2082638743 is a deficient number, since it is larger than the sum of its proper divisors (121385).

2082638743 is a wasteful number, since it uses less digits than its factorization.

2082638743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121384.

The product of its (nonzero) digits is 387072, while the sum is 43.

The square root of 2082638743 is about 45635.9369685777. The cubic root of 2082638743 is about 1277.0404325789.

The spelling of 2082638743 in words is "two billion, eighty-two million, six hundred thirty-eight thousand, seven hundred forty-three".