28613854243 has 12 divisors (see below), whose sum is σ = 31056200928. Its totient is φ = 26351438880.

The previous prime is 28613854211. The next prime is 28613854261. The reversal of 28613854243 is 34245831682.

It is not a de Polignac number, because 28613854243 - 2⁵ = 28613854211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28613854193 and 28613854202.

It is not an unprimeable number, because it can be changed into a prime (28610854243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123580 + ... + 269257.

It is an arithmetic number, because the mean of its divisors is an integer number (2588016744).

Almost surely, 2^28613854243 is an apocalyptic number.

28613854243 is a deficient number, since it is larger than the sum of its proper divisors (2442346685).

28613854243 is a wasteful number, since it uses less digits than its factorization.

28613854243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393294 (or 393281 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 46.

The spelling of 28613854243 in words is "twenty-eight billion, six hundred thirteen million, eight hundred fifty-four thousand, two hundred forty-three".