2542050639 has 18 divisors (see below), whose sum is σ = 3686234760. Its totient is φ = 1688074536.

The previous prime is 2542050631. The next prime is 2542050683. The reversal of 2542050639 is 9360502452.

2542050639 is a `hidden beast` number, since 2 + 542 + 0 + 50 + 63 + 9 = 666.

It is not a de Polignac number, because 2542050639 - 2³ = 2542050631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542050631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2865454 + ... + 2866340.

It is an arithmetic number, because the mean of its divisors is an integer number (204790820).

Almost surely, 2^2542050639 is an apocalyptic number.

2542050639 is a deficient number, since it is larger than the sum of its proper divisors (1144184121).

2542050639 is an frugal number, since it uses more digits than its factorization.

2542050639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139 (or 1249 counting only the distinct ones).

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

The square root of 2542050639 is about 50418.7528505020. The cubic root of 2542050639 is about 1364.7760708217.

The spelling of 2542050639 in words is "two billion, five hundred forty-two million, fifty thousand, six hundred thirty-nine".