2143464870 has 32 divisors (see below), whose sum is σ = 5160879360. Its totient is φ = 569750240.

The previous prime is 2143464863. The next prime is 2143464877. The reversal of 2143464870 is 784643412.

It is an interprime number because it is at equal distance from previous prime (2143464863) and next prime (2143464877).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143464877) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 105540 + ... + 124199.

It is an arithmetic number, because the mean of its divisors is an integer number (161277480).

Almost surely, 2^2143464870 is an apocalyptic number.

2143464870 is an abundant number, since it is smaller than the sum of its proper divisors (3017414490).

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

2143464870 is a wasteful number, since it uses less digits than its factorization.

2143464870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230060.

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 2143464870 is about 46297.5687266621. The cubic root of 2143464870 is about 1289.3538558452.

The spelling of 2143464870 in words is "two billion, one hundred forty-three million, four hundred sixty-four thousand, eight hundred seventy".