28420350362 has 4 divisors (see below), whose sum is σ = 42630525546. Its totient is φ = 14210175180.

The previous prime is 28420350341. The next prime is 28420350377. The reversal of 28420350362 is 26305302482.

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., 26716229401 + 1704120961 = 163451^2 + 41281^2 .

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, 7105087589 + ... + 7105087592.

Almost surely, 2^28420350362 is an apocalyptic number.

28420350362 is a deficient number, since it is larger than the sum of its proper divisors (14210175184).

28420350362 is a wasteful number, since it uses less digits than its factorization.

28420350362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14210175183.

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 28420350362 in words is "twenty-eight billion, four hundred twenty million, three hundred fifty thousand, three hundred sixty-two".