53431013866 has 8 divisors (see below), whose sum is σ = 82910194020. Its totient is φ = 25794282528.

The previous prime is 53431013863. The next prime is 53431013887. The reversal of 53431013866 is 66831013435.

53431013866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 53340212025 + 90801841 = 230955^2 + 9529^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (53431013863) 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, 460612131 + ... + 460612246.

Almost surely, 2^53431013866 is an apocalyptic number.

53431013866 is a deficient number, since it is larger than the sum of its proper divisors (29479180154).

53431013866 is a wasteful number, since it uses less digits than its factorization.

53431013866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921224408.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 53431013866 in words is "fifty-three billion, four hundred thirty-one million, thirteen thousand, eight hundred sixty-six".