28638540183613 has 2 divisors, whose sum is σ = 28638540183614. Its totient is φ = 28638540183612.

The previous prime is 28638540183593. The next prime is 28638540183653. The reversal of 28638540183613 is 31638104583682.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16782762442329 + 11855777741284 = 4096677^2 + 3443222^2 .

It is a cyclic number.

It is not a de Polignac number, because 28638540183613 - 2⁵ = 28638540183581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28638540183653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14319270091806 + 14319270091807.

It is an arithmetic number, because the mean of its divisors is an integer number (14319270091807).

Almost surely, 2^{28638540183613} is an apocalyptic number.

It is an amenable number.

28638540183613 is a deficient number, since it is larger than the sum of its proper divisors (1).

28638540183613 is an equidigital number, since it uses as much as digits as its factorization.

28638540183613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19906560, while the sum is 58.

The spelling of 28638540183613 in words is "twenty-eight trillion, six hundred thirty-eight billion, five hundred forty million, one hundred eighty-three thousand, six hundred thirteen".