2143086568 has 32 divisors (see below), whose sum is σ = 4599504000. Its totient is φ = 917030592.

The previous prime is 2143086557. The next prime is 2143086611. The reversal of 2143086568 is 8656803412.

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, 6658 + ... + 65806.

It is an arithmetic number, because the mean of its divisors is an integer number (143734500).

Almost surely, 2^2143086568 is an apocalyptic number.

2143086568 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2143086568 is an abundant number, since it is smaller than the sum of its proper divisors (2456417432).

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

2143086568 is a wasteful number, since it uses less digits than its factorization.

2143086568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59809 (or 59805 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 2143086568 is about 46293.4829970699. The cubic root of 2143086568 is about 1289.2779983170.

The spelling of 2143086568 in words is "two billion, one hundred forty-three million, eighty-six thousand, five hundred sixty-eight".