2149015050 has 600 divisors, whose sum is σ = 7942952556. Its totient is φ = 426746880.

The previous prime is 2149015039. The next prime is 2149015061. The reversal of 2149015050 is 505109412.

2149015050 is a `hidden beast` number, since 21 + 490 + 150 + 5 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (2149015039) and next prime (2149015061).

It can be written as a sum of positive squares in 6 ways, for example, as 676988361 + 1472026689 = 26019^2 + 38367^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 299 ways as a sum of consecutive naturals, for example, 126412642 + ... + 126412658.

Almost surely, 2^2149015050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2149015050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3971476278).

2149015050 is an abundant number, since it is smaller than the sum of its proper divisors (5793937506).

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

2149015050 is a wasteful number, since it uses less digits than its factorization.

2149015050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 2149015050 is about 46357.4702717911. The cubic root of 2149015050 is about 1290.4657593440.

The spelling of 2149015050 in words is "two billion, one hundred forty-nine million, fifteen thousand, fifty".