15384933946 has 8 divisors (see below), whose sum is σ = 23087472084. Its totient is φ = 7689109920.

The previous prime is 15384933943. The next prime is 15384933959. The reversal of 15384933946 is 64933948351.

15384933946 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 12868406721 + 2516527225 = 113439^2 + 50165^2 .

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 (15384933943) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1672795 + ... + 1681966.

Almost surely, 2^15384933946 is an apocalyptic number.

15384933946 is a deficient number, since it is larger than the sum of its proper divisors (7702538138).

15384933946 is a wasteful number, since it uses less digits than its factorization.

15384933946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357056.

The product of its digits is 8398080, while the sum is 55.

The spelling of 15384933946 in words is "fifteen billion, three hundred eighty-four million, nine hundred thirty-three thousand, nine hundred forty-six".