28249318522 has 16 divisors (see below), whose sum is σ = 44615924640. Its totient is φ = 13377734928.

The previous prime is 28249318511. The next prime is 28249318547. The reversal of 28249318522 is 22581394282.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51453 + ... + 243199.

It is an arithmetic number, because the mean of its divisors is an integer number (2788495290).

Almost surely, 2^28249318522 is an apocalyptic number.

28249318522 is a deficient number, since it is larger than the sum of its proper divisors (16366606118).

28249318522 is a wasteful number, since it uses less digits than its factorization.

28249318522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195645.

The product of its digits is 552960, while the sum is 46.

The spelling of 28249318522 in words is "twenty-eight billion, two hundred forty-nine million, three hundred eighteen thousand, five hundred twenty-two".