28817873441629 has 2 divisors, whose sum is σ = 28817873441630. Its totient is φ = 28817873441628.

The previous prime is 28817873441561. The next prime is 28817873441659. The reversal of 28817873441629 is 92614437871882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27490831648900 + 1327041792729 = 5243170^2 + 1151973^2 .

It is a cyclic number.

It is not a de Polignac number, because 28817873441629 - 2¹⁷ = 28817873310557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28817873441659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14408936720814 + 14408936720815.

It is an arithmetic number, because the mean of its divisors is an integer number (14408936720815).

Almost surely, 2^{28817873441629} is an apocalyptic number.

It is an amenable number.

28817873441629 is a deficient number, since it is larger than the sum of its proper divisors (1).

28817873441629 is an equidigital number, since it uses as much as digits as its factorization.

28817873441629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 260112384, while the sum is 70.

The spelling of 28817873441629 in words is "twenty-eight trillion, eight hundred seventeen billion, eight hundred seventy-three million, four hundred forty-one thousand, six hundred twenty-nine".