2146979934 has 48 divisors (see below), whose sum is σ = 5146187904. Its totient is φ = 641432400.

The previous prime is 2146979899. The next prime is 2146979951. The reversal of 2146979934 is 4399796412.

2146979934 is a `hidden beast` number, since 21 + 469 + 79 + 93 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62304 + ... + 90419.

It is an arithmetic number, because the mean of its divisors is an integer number (107212248).

Almost surely, 2^2146979934 is an apocalyptic number.

2146979934 is an abundant number, since it is smaller than the sum of its proper divisors (2999207970).

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

2146979934 is a wasteful number, since it uses less digits than its factorization.

2146979934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152813 (or 152810 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 2146979934 is about 46335.5148239447. The cubic root of 2146979934 is about 1290.0582739134.

The spelling of 2146979934 in words is "two billion, one hundred forty-six million, nine hundred seventy-nine thousand, nine hundred thirty-four".