2055074639 has 4 divisors (see below), whose sum is σ = 2055184056. Its totient is φ = 2054965224.

The previous prime is 2055074621. The next prime is 2055074641. The reversal of 2055074639 is 9364705502.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9364705502 = 2 ⋅4682352751.

It is a cyclic number.

It is not a de Polignac number, because 2055074639 - 2⁸ = 2055074383 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2055074596 and 2055074605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055073639) 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, 18584 + ... + 66749.

It is an arithmetic number, because the mean of its divisors is an integer number (513796014).

Almost surely, 2^2055074639 is an apocalyptic number.

2055074639 is a deficient number, since it is larger than the sum of its proper divisors (109417).

2055074639 is an equidigital number, since it uses as much as digits as its factorization.

2055074639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109416.

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 2055074639 is about 45332.9310656172. The cubic root of 2055074639 is about 1271.3814382928.

The spelling of 2055074639 in words is "two billion, fifty-five million, seventy-four thousand, six hundred thirty-nine".