28744303171439 has 2 divisors, whose sum is σ = 28744303171440. Its totient is φ = 28744303171438.

The previous prime is 28744303171319. The next prime is 28744303171471. The reversal of 28744303171439 is 93417130344782.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28744303171439 - 2¹² = 28744303167343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28744303101439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14372151585719 + 14372151585720.

It is an arithmetic number, because the mean of its divisors is an integer number (14372151585720).

Almost surely, 2^{28744303171439} is an apocalyptic number.

28744303171439 is a deficient number, since it is larger than the sum of its proper divisors (1).

28744303171439 is an equidigital number, since it uses as much as digits as its factorization.

28744303171439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12192768, while the sum is 56.

The spelling of 28744303171439 in words is "twenty-eight trillion, seven hundred forty-four billion, three hundred three million, one hundred seventy-one thousand, four hundred thirty-nine".