15730242866 has 16 divisors (see below), whose sum is σ = 25474415064. Its totient is φ = 7241819904.

The previous prime is 15730242779. The next prime is 15730242887. The reversal of 15730242866 is 66824203751.

15730242866 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 4 ways, for example, as 14804805625 + 925437241 = 121675^2 + 30421^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751655 + ... + 772298.

Almost surely, 2^15730242866 is an apocalyptic number.

15730242866 is a deficient number, since it is larger than the sum of its proper divisors (9744172198).

15730242866 is a wasteful number, since it uses less digits than its factorization.

15730242866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524365.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 15730242866 in words is "fifteen billion, seven hundred thirty million, two hundred forty-two thousand, eight hundred sixty-six".