2146859730 has 48 divisors (see below), whose sum is σ = 5584826520. Its totient is φ = 572189184.

The previous prime is 2146859719. The next prime is 2146859777. The reversal of 2146859730 is 379586412.

2146859730 is a `hidden beast` number, since 21 + 4 + 6 + 8 + 597 + 30 = 666.

2146859730 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 377563761 + 1769295969 = 19431^2 + 42063^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

2146859730 is strictly pandigital in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198954 + ... + 209466.

It is a 1-persistent number, because it is pandigital, but 2⋅2146859730 = 4293719460 is not.

Almost surely, 2^2146859730 is an apocalyptic number.

2146859730 is an abundant number, since it is smaller than the sum of its proper divisors (3437966790).

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

2146859730 is a wasteful number, since it uses less digits than its factorization.

2146859730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12795 (or 12792 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 2146859730 is about 46334.2177013921. The cubic root of 2146859730 is about 1290.0341977594.

The spelling of 2146859730 in words is "two billion, one hundred forty-six million, eight hundred fifty-nine thousand, seven hundred thirty".