364042409 has 2 divisors, whose sum is σ = 364042410. Its totient is φ = 364042408.

The previous prime is 364042387. The next prime is 364042411. The reversal of 364042409 is 904240463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208167184 + 155875225 = 14428^2 + 12485^2 .

It is a cyclic number.

It is not a de Polignac number, because 364042409 - 2¹² = 364038313 is a prime.

Together with 364042411, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (364042439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182021204 + 182021205.

It is an arithmetic number, because the mean of its divisors is an integer number (182021205).

Almost surely, 2^364042409 is an apocalyptic number.

It is an amenable number.

364042409 is a deficient number, since it is larger than the sum of its proper divisors (1).

364042409 is an equidigital number, since it uses as much as digits as its factorization.

364042409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 364042409 is about 19079.8954137595. The cubic root of 364042409 is about 714.0314262205.

The spelling of 364042409 in words is "three hundred sixty-four million, forty-two thousand, four hundred nine".