15942485368 has 8 divisors (see below), whose sum is σ = 29892160080. Its totient is φ = 7971242680.

The previous prime is 15942485357. The next prime is 15942485389. The reversal of 15942485368 is 86358424951.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 996405328 + ... + 996405343.

It is an arithmetic number, because the mean of its divisors is an integer number (3736520010).

Almost surely, 2^15942485368 is an apocalyptic number.

It is an amenable number.

15942485368 is a deficient number, since it is larger than the sum of its proper divisors (13949674712).

15942485368 is a wasteful number, since it uses less digits than its factorization.

15942485368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992810677 (or 1992810673 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 55.

The spelling of 15942485368 in words is "fifteen billion, nine hundred forty-two million, four hundred eighty-five thousand, three hundred sixty-eight".