2146838530 has 8 divisors (see below), whose sum is σ = 3864309372. Its totient is φ = 858735408.

The previous prime is 2146838501. The next prime is 2146838537. The reversal of 2146838530 is 358386412.

It can be written as a sum of positive squares in 2 ways, for example, as 1966124281 + 180714249 = 44341^2 + 13443^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2146838537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107341917 + ... + 107341936.

Almost surely, 2^2146838530 is an apocalyptic number.

2146838530 is a deficient number, since it is larger than the sum of its proper divisors (1717470842).

2146838530 is a wasteful number, since it uses less digits than its factorization.

2146838530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214683860.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 2146838530 is about 46333.9889282155. The cubic root of 2146838530 is about 1290.0299514309.

The spelling of 2146838530 in words is "two billion, one hundred forty-six million, eight hundred thirty-eight thousand, five hundred thirty".