28435423546 has 4 divisors (see below), whose sum is σ = 42653135322. Its totient is φ = 14217711772.

The previous prime is 28435423543. The next prime is 28435423553. The reversal of 28435423546 is 64532453482.

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., 15156318321 + 13279105225 = 123111^2 + 115235^2 .

It is a super-2 number, since 2×28435423546² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28435423496 and 28435423505.

It is not an unprimeable number, because it can be changed into a prime (28435423543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7108855885 + ... + 7108855888.

Almost surely, 2^28435423546 is an apocalyptic number.

28435423546 is a deficient number, since it is larger than the sum of its proper divisors (14217711776).

28435423546 is a wasteful number, since it uses less digits than its factorization.

28435423546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14217711775.

The product of its digits is 2764800, while the sum is 46.

The spelling of 28435423546 in words is "twenty-eight billion, four hundred thirty-five million, four hundred twenty-three thousand, five hundred forty-six".