366530993 has 2 divisors, whose sum is σ = 366530994. Its totient is φ = 366530992.

The previous prime is 366530963. The next prime is 366531001. The reversal of 366530993 is 399035663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204146944 + 162384049 = 14288^2 + 12743^2 .

It is a cyclic number.

It is not a de Polignac number, because 366530993 - 2¹⁶ = 366465457 is a prime.

It is not a weakly prime, because it can be changed into another prime (366530953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183265496 + 183265497.

It is an arithmetic number, because the mean of its divisors is an integer number (183265497).

Almost surely, 2^366530993 is an apocalyptic number.

It is an amenable number.

366530993 is a deficient number, since it is larger than the sum of its proper divisors (1).

366530993 is an equidigital number, since it uses as much as digits as its factorization.

366530993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 393660, while the sum is 44.

The square root of 366530993 is about 19144.9991642726. Note that the first 3 decimals coincide. The cubic root of 366530993 is about 715.6547659174.

The spelling of 366530993 in words is "three hundred sixty-six million, five hundred thirty thousand, nine hundred ninety-three".