28717300001749 has 2 divisors, whose sum is σ = 28717300001750. Its totient is φ = 28717300001748.

The previous prime is 28717300001707. The next prime is 28717300001759. The reversal of 28717300001749 is 94710000371782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28418548119025 + 298751882724 = 5330905^2 + 546582^2 .

It is a cyclic number.

It is not a de Polignac number, because 28717300001749 - 2⁹ = 28717300001237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28717300001759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14358650000874 + 14358650000875.

It is an arithmetic number, because the mean of its divisors is an integer number (14358650000875).

Almost surely, 2^{28717300001749} is an apocalyptic number.

It is an amenable number.

28717300001749 is a deficient number, since it is larger than the sum of its proper divisors (1).

28717300001749 is an equidigital number, since it uses as much as digits as its factorization.

28717300001749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 592704, while the sum is 49.

The spelling of 28717300001749 in words is "twenty-eight trillion, seven hundred seventeen billion, three hundred million, one thousand, seven hundred forty-nine".