5143531686 has 32 divisors (see below), whose sum is σ = 10832265600. Its totient is φ = 1623706560.

The previous prime is 5143531661. The next prime is 5143531693. The reversal of 5143531686 is 6861353415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423681 + ... + 435651.

It is an arithmetic number, because the mean of its divisors is an integer number (338508300).

Almost surely, 2^5143531686 is an apocalyptic number.

5143531686 is an abundant number, since it is smaller than the sum of its proper divisors (5688733914).

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

5143531686 is a wasteful number, since it uses less digits than its factorization.

5143531686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15764.

The product of its digits is 259200, while the sum is 42.

The square root of 5143531686 is about 71718.4194332251. The cubic root of 5143531686 is about 1726.1842108409.

The spelling of 5143531686 in words is "five billion, one hundred forty-three million, five hundred thirty-one thousand, six hundred eighty-six".