364549380421 has 2 divisors, whose sum is σ = 364549380422. Its totient is φ = 364549380420.

The previous prime is 364549380379. The next prime is 364549380457. The reversal of 364549380421 is 124083945463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 364447653025 + 101727396 = 603695^2 + 10086^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-364549380421 is a prime.

It is a super-3 number, since 3×364549380421³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (364549380491) 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, 182274690210 + 182274690211.

It is an arithmetic number, because the mean of its divisors is an integer number (182274690211).

Almost surely, 2^364549380421 is an apocalyptic number.

It is an amenable number.

364549380421 is a deficient number, since it is larger than the sum of its proper divisors (1).

364549380421 is an equidigital number, since it uses as much as digits as its factorization.

364549380421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 364549380421 in words is "three hundred sixty-four billion, five hundred forty-nine million, three hundred eighty thousand, four hundred twenty-one".