28269468802 has 4 divisors (see below), whose sum is σ = 42404203206. Its totient is φ = 14134734400.

The previous prime is 28269468749. The next prime is 28269468833. The reversal of 28269468802 is 20886496282.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17242578721 + 11026890081 = 131311^2 + 105009^2 .

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, 7067367199 + ... + 7067367202.

Almost surely, 2^28269468802 is an apocalyptic number.

28269468802 is a deficient number, since it is larger than the sum of its proper divisors (14134734404).

28269468802 is a wasteful number, since it uses less digits than its factorization.

28269468802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14134734403.

The product of its (nonzero) digits is 5308416, while the sum is 55.

The spelling of 28269468802 in words is "twenty-eight billion, two hundred sixty-nine million, four hundred sixty-eight thousand, eight hundred two".