28619147601 has 72 divisors (see below), whose sum is σ = 46449585000. Its totient is φ = 16961218560.

The previous prime is 28619147587. The next prime is 28619147657. The reversal of 28619147601 is 10674191682.

28619147601 is a `hidden beast` number, since 28 + 6 + 1 + 9 + 14 + 7 + 601 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7775006976 + 20844140625 = 88176^2 + 144375^2 .

It is not a de Polignac number, because 28619147601 - 2⁵ = 28619147569 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28619147101) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 22913025 + ... + 22914273.

It is an arithmetic number, because the mean of its divisors is an integer number (645133125).

Almost surely, 2^28619147601 is an apocalyptic number.

It is an amenable number.

28619147601 is a deficient number, since it is larger than the sum of its proper divisors (17830437399).

28619147601 is a wasteful number, since it uses less digits than its factorization.

28619147601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727 (or 1713 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 28619147601 in words is "twenty-eight billion, six hundred nineteen million, one hundred forty-seven thousand, six hundred one".