7143481568 has 24 divisors (see below), whose sum is σ = 14088139632. Its totient is φ = 3565541376.

The previous prime is 7143481567. The next prime is 7143481577. The reversal of 7143481568 is 8651843417.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7143481561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174980 + ... + 211907.

It is an arithmetic number, because the mean of its divisors is an integer number (587005818).

Almost surely, 2^7143481568 is an apocalyptic number.

It is an amenable number.

7143481568 is a deficient number, since it is larger than the sum of its proper divisors (6944658064).

7143481568 is a wasteful number, since it uses less digits than its factorization.

7143481568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387474 (or 387466 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The square root of 7143481568 is about 84519.1195410837. The cubic root of 7143481568 is about 1925.9129030775.

The spelling of 7143481568 in words is "seven billion, one hundred forty-three million, four hundred eighty-one thousand, five hundred sixty-eight".