2143072518 has 16 divisors (see below), whose sum is σ = 4472499456. Its totient is φ = 683298440.

The previous prime is 2143072493. The next prime is 2143072573. The reversal of 2143072518 is 8152703412.

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, 7764618 + ... + 7764893.

It is an arithmetic number, because the mean of its divisors is an integer number (279531216).

Almost surely, 2^2143072518 is an apocalyptic number.

2143072518 is an abundant number, since it is smaller than the sum of its proper divisors (2329426938).

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

2143072518 is a wasteful number, since it uses less digits than its factorization.

2143072518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15529539.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 2143072518 is about 46293.3312475998. The cubic root of 2143072518 is about 1289.2751808238.

The spelling of 2143072518 in words is "two billion, one hundred forty-three million, seventy-two thousand, five hundred eighteen".