364408661 has 2 divisors, whose sum is σ = 364408662. Its totient is φ = 364408660.

The previous prime is 364408633. The next prime is 364408663. The reversal of 364408661 is 166804463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 305026225 + 59382436 = 17465^2 + 7706^2 .

It is a cyclic number.

It is not a de Polignac number, because 364408661 - 2²⁶ = 297299797 is a prime.

Together with 364408663, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (364408663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182204330 + 182204331.

It is an arithmetic number, because the mean of its divisors is an integer number (182204331).

Almost surely, 2^364408661 is an apocalyptic number.

It is an amenable number.

364408661 is a deficient number, since it is larger than the sum of its proper divisors (1).

364408661 is an equidigital number, since it uses as much as digits as its factorization.

364408661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 364408661 is about 19089.4908522988. The cubic root of 364408661 is about 714.2708010658.

The spelling of 364408661 in words is "three hundred sixty-four million, four hundred eight thousand, six hundred sixty-one".