2143343604 has 12 divisors (see below), whose sum is σ = 5001135104. Its totient is φ = 714447864.

The previous prime is 2143343599. The next prime is 2143343639. The reversal of 2143343604 is 4063433412.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 89305972 + ... + 89305995.

Almost surely, 2^2143343604 is an apocalyptic number.

It is an amenable number.

2143343604 is an abundant number, since it is smaller than the sum of its proper divisors (2857791500).

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

2143343604 is a wasteful number, since it uses less digits than its factorization.

2143343604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178611974 (or 178611972 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 2143343604 is about 46296.2590713332. The cubic root of 2143343604 is about 1289.3295404271.

The spelling of 2143343604 in words is "two billion, one hundred forty-three million, three hundred forty-three thousand, six hundred four".