28130254508433 has 32 divisors (see below), whose sum is σ = 47528571405312. Its totient is φ = 14373559886400.

The previous prime is 28130254508417. The next prime is 28130254508467. The reversal of 28130254508433 is 33480545203182.

It is not a de Polignac number, because 28130254508433 - 2⁴ = 28130254508417 is a prime.

It is a super-2 number, since 2×28130254508433² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28130254508933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 998149791 + ... + 998177972.

It is an arithmetic number, because the mean of its divisors is an integer number (1485267856416).

Almost surely, 2^{28130254508433} is an apocalyptic number.

It is an amenable number.

28130254508433 is a deficient number, since it is larger than the sum of its proper divisors (19398316896879).

28130254508433 is a wasteful number, since it uses less digits than its factorization.

28130254508433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996327845.

The product of its (nonzero) digits is 2764800, while the sum is 48.

The spelling of 28130254508433 in words is "twenty-eight trillion, one hundred thirty billion, two hundred fifty-four million, five hundred eight thousand, four hundred thirty-three".