17928345593 has 2 divisors, whose sum is σ = 17928345594. Its totient is φ = 17928345592.

The previous prime is 17928345587. The next prime is 17928345613. The reversal of 17928345593 is 39554382971.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11297989264 + 6630356329 = 106292^2 + 81427^2 .

It is a cyclic number.

It is not a de Polignac number, because 17928345593 - 2¹⁶ = 17928280057 is a prime.

It is not a weakly prime, because it can be changed into another prime (17928345293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8964172796 + 8964172797.

It is an arithmetic number, because the mean of its divisors is an integer number (8964172797).

Almost surely, 2^17928345593 is an apocalyptic number.

It is an amenable number.

17928345593 is a deficient number, since it is larger than the sum of its proper divisors (1).

17928345593 is an equidigital number, since it uses as much as digits as its factorization.

17928345593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8164800, while the sum is 56.

The spelling of 17928345593 in words is "seventeen billion, nine hundred twenty-eight million, three hundred forty-five thousand, five hundred ninety-three".