28813036641 has 16 divisors (see below), whose sum is σ = 38998272000. Its totient is φ = 18918356688.

The previous prime is 28813036621. The next prime is 28813036649. The reversal of 28813036641 is 14663031882.

It is not a de Polignac number, because 28813036641 - 2⁷ = 28813036513 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28813036593 and 28813036602.

It is not an unprimeable number, because it can be changed into a prime (28813036649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1388460 + ... + 1409058.

It is an arithmetic number, because the mean of its divisors is an integer number (2437392000).

Almost surely, 2^28813036641 is an apocalyptic number.

It is an amenable number.

28813036641 is a deficient number, since it is larger than the sum of its proper divisors (10185235359).

28813036641 is a wasteful number, since it uses less digits than its factorization.

28813036641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27628.

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 28813036641 in words is "twenty-eight billion, eight hundred thirteen million, thirty-six thousand, six hundred forty-one".