2638559012 has 24 divisors (see below), whose sum is σ = 4684477056. Its totient is φ = 1300166208.

The previous prime is 2638559003. The next prime is 2638559029. The reversal of 2638559012 is 2109558362.

It is a super-3 number, since 3×2638559012³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466433 + ... + 472055.

It is an arithmetic number, because the mean of its divisors is an integer number (195186544).

Almost surely, 2^2638559012 is an apocalyptic number.

It is an amenable number.

2638559012 is a deficient number, since it is larger than the sum of its proper divisors (2045918044).

2638559012 is a wasteful number, since it uses less digits than its factorization.

2638559012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7307 (or 7305 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 2638559012 is about 51366.9058051972. The cubic root of 2638559012 is about 1381.8331397079.

The spelling of 2638559012 in words is "two billion, six hundred thirty-eight million, five hundred fifty-nine thousand, twelve".