28465521950 has 12 divisors (see below), whose sum is σ = 52945870920. Its totient is φ = 11386208760.

The previous prime is 28465521923. The next prime is 28465521989. The reversal of 28465521950 is 5912556482.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 28465521895 and 28465521904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 284655170 + ... + 284655269.

It is an arithmetic number, because the mean of its divisors is an integer number (4412155910).

Almost surely, 2^28465521950 is an apocalyptic number.

28465521950 is a deficient number, since it is larger than the sum of its proper divisors (24480348970).

28465521950 is a wasteful number, since it uses less digits than its factorization.

28465521950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569310451 (or 569310446 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 47.

The spelling of 28465521950 in words is "twenty-eight billion, four hundred sixty-five million, five hundred twenty-one thousand, nine hundred fifty".