2146731830 has 16 divisors (see below), whose sum is σ = 3864644784. Its totient is φ = 858575520.

The previous prime is 2146731827. The next prime is 2146731863. The reversal of 2146731830 is 381376412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138260 + ... + 153000.

It is an arithmetic number, because the mean of its divisors is an integer number (241540299).

Almost surely, 2^2146731830 is an apocalyptic number.

2146731830 is a deficient number, since it is larger than the sum of its proper divisors (1717912954).

2146731830 is a wasteful number, since it uses less digits than its factorization.

2146731830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29311.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 2146731830 is about 46332.8374913516. The cubic root of 2146731830 is about 1290.0085791549.

The spelling of 2146731830 in words is "two billion, one hundred forty-six million, seven hundred thirty-one thousand, eight hundred thirty".