366928216493 has 2 divisors, whose sum is σ = 366928216494. Its totient is φ = 366928216492.

The previous prime is 366928216471. The next prime is 366928216547. The reversal of 366928216493 is 394612829663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 334757130724 + 32171085769 = 578582^2 + 179363^2 .

It is a cyclic number.

It is not a de Polignac number, because 366928216493 - 2²⁶ = 366861107629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (366928216433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183464108246 + 183464108247.

It is an arithmetic number, because the mean of its divisors is an integer number (183464108247).

Almost surely, 2^366928216493 is an apocalyptic number.

It is an amenable number.

366928216493 is a deficient number, since it is larger than the sum of its proper divisors (1).

366928216493 is an equidigital number, since it uses as much as digits as its factorization.

366928216493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20155392, while the sum is 59.

The spelling of 366928216493 in words is "three hundred sixty-six billion, nine hundred twenty-eight million, two hundred sixteen thousand, four hundred ninety-three".