28673450534 has 4 divisors (see below), whose sum is σ = 43010175804. Its totient is φ = 14336725266.

The previous prime is 28673450501. The next prime is 28673450543. The reversal of 28673450534 is 43505437682.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7168362632 + ... + 7168362635.

It is an arithmetic number, because the mean of its divisors is an integer number (10752543951).

Almost surely, 2^28673450534 is an apocalyptic number.

28673450534 is a deficient number, since it is larger than the sum of its proper divisors (14336725270).

28673450534 is a wasteful number, since it uses less digits than its factorization.

28673450534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14336725269.

The product of its (nonzero) digits is 2419200, while the sum is 47.

The spelling of 28673450534 in words is "twenty-eight billion, six hundred seventy-three million, four hundred fifty thousand, five hundred thirty-four".