2639875242 has 8 divisors (see below), whose sum is σ = 5279750496. Its totient is φ = 879958412.

The previous prime is 2639875237. The next prime is 2639875247. The reversal of 2639875242 is 2425789362.

2639875242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2639875237) and next prime (2639875247).

It is a sphenic number, since it is the product of 3 distinct primes.

2639875242 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2639875191 and 2639875200.

It is not an unprimeable number, because it can be changed into a prime (2639875247) 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, 219989598 + ... + 219989609.

It is an arithmetic number, because the mean of its divisors is an integer number (659968812).

Almost surely, 2^2639875242 is an apocalyptic number.

2639875242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2639875242 is a wasteful number, since it uses less digits than its factorization.

2639875242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439979212.

The product of its digits is 1451520, while the sum is 48.

The square root of 2639875242 is about 51379.7162506762. The cubic root of 2639875242 is about 1382.0628746850.

The spelling of 2639875242 in words is "two billion, six hundred thirty-nine million, eight hundred seventy-five thousand, two hundred forty-two".