15428383642 has 32 divisors (see below), whose sum is σ = 26947025280. Its totient is φ = 6488095680.

The previous prime is 15428383637. The next prime is 15428383669. The reversal of 15428383642 is 24638382451.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 15428383592 and 15428383601.

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, 336268 + ... + 379384.

It is an arithmetic number, because the mean of its divisors is an integer number (842094540).

Almost surely, 2^15428383642 is an apocalyptic number.

15428383642 is a deficient number, since it is larger than the sum of its proper divisors (11518641638).

15428383642 is a wasteful number, since it uses less digits than its factorization.

15428383642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43606.

The product of its digits is 1105920, while the sum is 46.

The spelling of 15428383642 in words is "fifteen billion, four hundred twenty-eight million, three hundred eighty-three thousand, six hundred forty-two".