28051642623033 has 96 divisors (see below), whose sum is σ = 43148410905600. Its totient is φ = 18201920256576.

The previous prime is 28051642623029. The next prime is 28051642623133. The reversal of 28051642623033 is 33032624615082.

28051642623033 is a `hidden beast` number, since 2 + 8 + 0 + 5 + 16 + 4 + 2 + 623 + 0 + 3 + 3 = 666.

It is not a de Polignac number, because 28051642623033 - 2² = 28051642623029 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28051642623033.

It is not an unprimeable number, because it can be changed into a prime (28051642623133) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9291698598 + ... + 9291701616.

It is an arithmetic number, because the mean of its divisors is an integer number (449462613600).

Almost surely, 2^{28051642623033} is an apocalyptic number.

It is an amenable number.

28051642623033 is a deficient number, since it is larger than the sum of its proper divisors (15096768282567).

28051642623033 is a wasteful number, since it uses less digits than its factorization.

28051642623033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5913 (or 5901 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 28051642623033 in words is "twenty-eight trillion, fifty-one billion, six hundred forty-two million, six hundred twenty-three thousand, thirty-three".