28147129382650 has 24 divisors (see below), whose sum is σ = 52842947209920. Its totient is φ = 11153628837360.

The previous prime is 28147129382641. The next prime is 28147129382651. The reversal of 28147129382650 is 5628392174182.

It is not an unprimeable number, because it can be changed into a prime (28147129382651) 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, 2630567490 + ... + 2630578189.

It is an arithmetic number, because the mean of its divisors is an integer number (2201789467080).

It is a 1-persistent number, because it is pandigital, but 2⋅28147129382650 = 56294258765300 is not.

Almost surely, 2^{28147129382650} is an apocalyptic number.

28147129382650 is a deficient number, since it is larger than the sum of its proper divisors (24695817827270).

28147129382650 is a wasteful number, since it uses less digits than its factorization.

28147129382650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5261145798 (or 5261145793 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 58.

The spelling of 28147129382650 in words is "twenty-eight trillion, one hundred forty-seven billion, one hundred twenty-nine million, three hundred eighty-two thousand, six hundred fifty".