928438666834829 has 2 divisors, whose sum is σ = 928438666834830. Its totient is φ = 928438666834828.

The previous prime is 928438666834793. The next prime is 928438666834873.

928438666834829 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 785012246524900 + 143426420309929 = 28018070^2 + 11976077^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 928438666834829 - 2⁸ = 928438666834573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (928438666834729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 464219333417414 + 464219333417415.

It is an arithmetic number, because the mean of its divisors is an integer number (464219333417415).

Almost surely, 2^{928438666834829} is an apocalyptic number.

It is an amenable number.

928438666834829 is a deficient number, since it is larger than the sum of its proper divisors (1).

928438666834829 is an equidigital number, since it uses as much as digits as its factorization.

928438666834829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41278242816, while the sum is 86.

The spelling of 928438666834829 in words is "nine hundred twenty-eight trillion, four hundred thirty-eight billion, six hundred sixty-six million, eight hundred thirty-four thousand, eight hundred twenty-nine".