28484920130 has 8 divisors (see below), whose sum is σ = 51272856252. Its totient is φ = 11393968048.

The previous prime is 28484920127. The next prime is 28484920141. The reversal of 28484920130 is 3102948482.

It can be written as a sum of positive squares in 2 ways, for example, as 27478698289 + 1006221841 = 165767^2 + 31721^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×28484920130² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1424245997 + ... + 1424246016.

Almost surely, 2^28484920130 is an apocalyptic number.

28484920130 is a deficient number, since it is larger than the sum of its proper divisors (22787936122).

28484920130 is a wasteful number, since it uses less digits than its factorization.

28484920130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848492020.

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 28484920130 in words is "twenty-eight billion, four hundred eighty-four million, nine hundred twenty thousand, one hundred thirty".