28149474862 has 8 divisors (see below), whose sum is σ = 42239784096. Its totient is φ = 14069546832.

The previous prime is 28149474839. The next prime is 28149474889. The reversal of 28149474862 is 26847494182.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2588518 + ... + 2599369.

It is an arithmetic number, because the mean of its divisors is an integer number (5279973012).

Almost surely, 2^28149474862 is an apocalyptic number.

28149474862 is a deficient number, since it is larger than the sum of its proper divisors (14090309234).

28149474862 is a wasteful number, since it uses less digits than its factorization.

28149474862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5190602.

The product of its digits is 6193152, while the sum is 55.

The spelling of 28149474862 in words is "twenty-eight billion, one hundred forty-nine million, four hundred seventy-four thousand, eight hundred sixty-two".