28614445501 has 2 divisors, whose sum is σ = 28614445502. Its totient is φ = 28614445500.

The previous prime is 28614445481. The next prime is 28614445537. The reversal of 28614445501 is 10554441682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23931780601 + 4682664900 = 154699^2 + 68430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28614445501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28614145501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14307222750 + 14307222751.

It is an arithmetic number, because the mean of its divisors is an integer number (14307222751).

Almost surely, 2^28614445501 is an apocalyptic number.

It is an amenable number.

28614445501 is a deficient number, since it is larger than the sum of its proper divisors (1).

28614445501 is an equidigital number, since it uses as much as digits as its factorization.

28614445501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153600, while the sum is 40.

The spelling of 28614445501 in words is "twenty-eight billion, six hundred fourteen million, four hundred forty-five thousand, five hundred one".