366468989 has 2 divisors, whose sum is σ = 366468990. Its totient is φ = 366468988.

The previous prime is 366468943. The next prime is 366469013. The reversal of 366468989 is 989864663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 365383225 + 1085764 = 19115^2 + 1042^2 .

It is a cyclic number.

It is not a de Polignac number, because 366468989 - 2⁸ = 366468733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (366461989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183234494 + 183234495.

It is an arithmetic number, because the mean of its divisors is an integer number (183234495).

Almost surely, 2^366468989 is an apocalyptic number.

It is an amenable number.

366468989 is a deficient number, since it is larger than the sum of its proper divisors (1).

366468989 is an equidigital number, since it uses as much as digits as its factorization.

366468989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13436928, while the sum is 59.

The square root of 366468989 is about 19143.3797695182. The cubic root of 366468989 is about 715.6144092024.

The spelling of 366468989 in words is "three hundred sixty-six million, four hundred sixty-eight thousand, nine hundred eighty-nine".