2538386932950 has 384 divisors, whose sum is σ = 7906145402880. Its totient is φ = 593289360000.

The previous prime is 2538386932909. The next prime is 2538386932967. The reversal of 2538386932950 is 592396838352.

2538386932950 is a `hidden beast` number, since 2 + 5 + 383 + 86 + 93 + 2 + 95 + 0 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 124744677 + ... + 124765023.

It is an arithmetic number, because the mean of its divisors is an integer number (20588920320).

Almost surely, 2^{2538386932950} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2538386932950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3953072701440).

2538386932950 is an abundant number, since it is smaller than the sum of its proper divisors (5367758469930).

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

2538386932950 is a wasteful number, since it uses less digits than its factorization.

2538386932950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20681 (or 20670 counting only the distinct ones).

The product of its (nonzero) digits is 83980800, while the sum is 63.

The spelling of 2538386932950 in words is "two trillion, five hundred thirty-eight billion, three hundred eighty-six million, nine hundred thirty-two thousand, nine hundred fifty".