2050425639 has 12 divisors (see below), whose sum is σ = 2962662976. Its totient is φ = 1366517952.

The previous prime is 2050425593. The next prime is 2050425647. The reversal of 2050425639 is 9365240502.

2050425639 is a `hidden beast` number, since 2 + 0 + 50 + 42 + 563 + 9 = 666.

It is not a de Polignac number, because 2050425639 - 2⁷ = 2050425511 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 (2050425649) 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, 4567 + ... + 64200.

Almost surely, 2^2050425639 is an apocalyptic number.

2050425639 is a deficient number, since it is larger than the sum of its proper divisors (912237337).

2050425639 is a wasteful number, since it uses less digits than its factorization.

2050425639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72086 (or 72083 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 2050425639 is about 45281.6258431607. The cubic root of 2050425639 is about 1270.4220059945.

It can be divided in two parts, 205042 and 5639, that added together give a square (210681 = 459²).

The spelling of 2050425639 in words is "two billion, fifty million, four hundred twenty-five thousand, six hundred thirty-nine".