364361471821 has 2 divisors, whose sum is σ = 364361471822. Its totient is φ = 364361471820.

The previous prime is 364361471813. The next prime is 364361471927. The reversal of 364361471821 is 128174163463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 332565589225 + 31795882596 = 576685^2 + 178314^2 .

It is an emirp because it is prime and its reverse (128174163463) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 364361471821 - 2³ = 364361471813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (364361481821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182180735910 + 182180735911.

It is an arithmetic number, because the mean of its divisors is an integer number (182180735911).

Almost surely, 2^364361471821 is an apocalyptic number.

It is an amenable number.

364361471821 is a deficient number, since it is larger than the sum of its proper divisors (1).

364361471821 is an equidigital number, since it uses as much as digits as its factorization.

364361471821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 46.

The spelling of 364361471821 in words is "three hundred sixty-four billion, three hundred sixty-one million, four hundred seventy-one thousand, eight hundred twenty-one".