366646400093 has 2 divisors, whose sum is σ = 366646400094. Its totient is φ = 366646400092.

The previous prime is 366646400089. The next prime is 366646400101. The reversal of 366646400093 is 390004646663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 357476039449 + 9170360644 = 597893^2 + 95762^2 .

It is an emirp because it is prime and its reverse (390004646663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 366646400093 - 2² = 366646400089 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (366646400063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183323200046 + 183323200047.

It is an arithmetic number, because the mean of its divisors is an integer number (183323200047).

Almost surely, 2^366646400093 is an apocalyptic number.

It is an amenable number.

366646400093 is a deficient number, since it is larger than the sum of its proper divisors (1).

366646400093 is an equidigital number, since it uses as much as digits as its factorization.

366646400093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1679616, while the sum is 47.

The spelling of 366646400093 in words is "three hundred sixty-six billion, six hundred forty-six million, four hundred thousand, ninety-three".