2538913650 has 192 divisors, whose sum is σ = 8087482368. Its totient is φ = 512328960.

The previous prime is 2538913631. The next prime is 2538913667. The reversal of 2538913650 is 563198352.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 309907 + ... + 317993.

It is an arithmetic number, because the mean of its divisors is an integer number (42122304).

Almost surely, 2^2538913650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2538913650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4043741184).

2538913650 is an abundant number, since it is smaller than the sum of its proper divisors (5548568718).

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

2538913650 is a wasteful number, since it uses less digits than its factorization.

2538913650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8145 (or 8140 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 2538913650 is about 50387.6338995988. The cubic root of 2538913650 is about 1364.2144442153.

The spelling of 2538913650 in words is "two billion, five hundred thirty-eight million, nine hundred thirteen thousand, six hundred fifty".